This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 17 Oct, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1076585 Prefixes after maximum aggregation (per Origin AS): 415443 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 536123 Number of IPv4 prefixes with a valid ROA: 758029 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 318529 Total ASes present in the Internet Routing Table: 79512 Prefixes per ASN: 13.54 Origin-only ASes present in the Internet Routing Table: 68074 Origin ASes announcing only one prefix: 27952 Transit ASes present in the Internet Routing Table: 11438 Transit-only ASes present in the Internet Routing Table: 620 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 250 Max AS path prepend of ASN ( 17210) 245 Prefixes from unregistered ASNs in the Routing Table: 1084 Number of instances of unregistered ASNs: 1105 Number of 32-bit ASNs allocated by the RIRs: 51733 Number of 32-bit ASNs visible in the Routing Table: 41947 Prefixes from 32-bit ASNs in the Routing Table: 243462 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 420 Number of addresses announced to Internet: 3126451109 Equivalent to 186 /8s, 89 /16s and 219 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 356129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287826 Total APNIC prefixes after maximum aggregation: 85195 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 276163 Unique aggregates announced from the APNIC address blocks: 110412 APNIC Region origin ASes present in the Internet Routing Table: 15420 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 4809 APNIC Region transit ASes present in the Internet Routing Table: 2055 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11015 Number of APNIC addresses announced to Internet: 749740352 Equivalent to 44 /8s, 176 /16s and 33 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 315582 Total ARIN prefixes after maximum aggregation: 140575 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 312348 Unique aggregates announced from the ARIN address blocks: 153273 ARIN Region origin ASes present in the Internet Routing Table: 19550 ARIN Prefixes per ASN: 15.98 ARIN Region origin ASes announcing only one prefix: 7206 ARIN Region transit ASes present in the Internet Routing Table: 2017 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 250 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5849 Number of ARIN addresses announced to Internet: 1355099171 Equivalent to 80 /8s, 197 /16s and 44 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-404380 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 301236 Total RIPE prefixes after maximum aggregation: 150015 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 307818 Unique aggregates announced from the RIPE address blocks: 201825 RIPE Region origin ASes present in the Internet Routing Table: 29946 RIPE Prefixes per ASN: 10.28 RIPE Region origin ASes announcing only one prefix: 12403 RIPE Region transit ASes present in the Internet Routing Table: 4163 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 208 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14018 Number of RIPE addresses announced to Internet: 750389890 Equivalent to 44 /8s, 186 /16s and 10 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 132359 Total LACNIC prefixes after maximum aggregation: 31924 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125968 Unique aggregates announced from the LACNIC address blocks: 51752 LACNIC Region origin ASes present in the Internet Routing Table: 11538 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2764 LACNIC Region transit ASes present in the Internet Routing Table: 2622 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9608 Number of LACNIC addresses announced to Internet: 167300800 Equivalent to 9 /8s, 248 /16s and 206 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 38498 Total AfriNIC prefixes after maximum aggregation: 7080 AfriNIC Deaggregation factor: 5.44 Prefixes being announced from the AfriNIC address blocks: 53868 Unique aggregates announced from the AfriNIC address blocks: 18527 AfriNIC Region origin ASes present in the Internet Routing Table: 2092 AfriNIC Prefixes per ASN: 25.75 AfriNIC Region origin ASes announcing only one prefix: 770 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 86 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1457 Number of AfriNIC addresses announced to Internet: 103671040 Equivalent to 6 /8s, 45 /16s and 229 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 14028 8918 99 CHINAMOBILE-CN - China Mobile Communicati 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4988 4191 72 ERX-CERNET-BKB - China Education and Rese 7545 4644 842 278 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4095 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3629 887 182 CMNET-Jiangsu-AP - China Mobile communica 7713 3446 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3407 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3299 332 1671 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2386 538 665 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17844 42596 5613 AMAZON-02 - Amazon.com, Inc., US 22773 4916 3305 459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4632 308 1098 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 72 SHAW - Shaw Communications, CA 396982 3545 5381 598 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3283 244 1154 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2909 2584 909 WINDSTREAM - Windstream Communications LL 31898 2827 1408 1187 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6951 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4369 390 2671 M247 - M247 Europe SRL, RO 20940 3903 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3692 265 2809 CDNEXT - Datacamp Limited, GB 12389 3110 2329 868 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2528 371 602 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2525 155 30 KCELL-AS - Kcell JSC, KZ 25019 1926 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1742 2083 979 GTT-BACKBONE - GTT Communications Inc., U Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13288 3296 616 AS8151 - UNINET, MX 10620 3399 442 1122 AS10620 - Telmex Colombia S.A., CO 13999 2222 493 326 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1852 369 65 AS11830 - Instituto Costarricense de Elec 11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1388 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1173 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 73 381 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 75 54 AS27715 - Locaweb Servicos de Internet S/ Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1460 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1295 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 562 162 179 Dimension Data - Dimension Data, ZA 36873 545 141 39 Airtel Networks Limited - Airtel Networks Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17844 42596 5613 AMAZON-02 - Amazon.com, Inc., US 9808 14028 8918 99 CHINAMOBILE-CN - China Mobile Communicati 8151 13288 3296 616 AS8151 - UNINET, MX 12479 6951 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 4538 4988 4191 72 ERX-CERNET-BKB - China Education and Rese 22773 4916 3305 459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4644 842 278 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4632 308 1098 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14028 13929 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13288 12672 AS8151 - UNINET, MX 12479 6951 6802 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4988 4916 ERX-CERNET-BKB - China Education and Research N 9498 5105 4774 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4916 4457 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4644 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4095 4071 VIETEL-AS-AP - Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., Complete listing at https://bgp.nsrc.org/REN/Guam/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:299 /13:588 /14:1193 /15:2134 /16:13761 /17:8375 /18:13397 /19:25762 /20:46560 /21:54094 /22:114134 /23:111100 /24:684592 /25:64 /26:83 /27:107 /28:30 /29:56 /30:8 /31:1 /32:81 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7445 13288 AS8151 - UNINET, MX 12479 5865 6951 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3602 3835 SHAW - Shaw Communications, CA 11492 3509 4632 CABLEONE - CABLE ONE, INC., US 16509 3445 17844 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3134 4916 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2234 3399 AS10620 - Telmex Colombia S.A., CO 30036 2182 2528 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2074 2:3008 3:1488 4:8 5:5491 6:216 7:6 8:1361 9:499 11:172 12:1077 13:1413 14:2755 15:487 16:374 17:469 18:1339 20:602 21:4 22:188 23:8671 24:2814 25:2 27:2877 28:8 29:19 31:3972 32:33 34:95 35:310 36:4922 37:4440 38:10563 39:1450 40:456 41:4582 42:1051 43:3444 44:535 45:19960 46:5028 47:458 48:171 49:2344 50:2020 51:1040 52:1456 54:491 55:1156 56:11 57:339 58:2353 59:1423 60:1190 61:3288 62:3185 63:1677 64:6736 65:2275 66:6282 67:3338 68:1355 69:4087 70:1085 71:595 72:3292 74:3147 75:1743 76:591 77:2945 78:2179 79:2018 80:2406 81:2314 82:4393 83:1529 84:2171 85:3926 86:1155 87:3097 88:1365 89:4966 90:794 91:8563 92:2809 93:3071 94:4704 95:4784 96:1454 97:305 98:971 99:1153 100:65 101:1377 102:4771 103:32238 104:5806 105:967 106:971 107:3014 108:1548 109:4035 110:2231 111:4298 112:3217 113:1692 114:2634 115:2270 116:2103 117:3902 118:2508 119:2128 120:2848 121:2068 122:3067 123:2212 124:1737 125:3022 126:175 128:1601 129:1012 130:1783 131:2627 132:955 133:483 134:1836 135:679 136:1588 137:1438 138:3453 139:1826 140:1896 141:1916 142:2743 143:2372 144:1938 145:716 146:2256 147:2399 148:2898 149:3593 150:1495 151:3167 152:2521 153:2240 154:8731 155:2373 156:3978 157:2491 158:1651 159:2992 160:4189 161:2155 162:4259 163:2760 164:2507 165:2797 166:1268 167:2418 168:4299 169:983 170:5595 171:1140 172:4976 173:3484 174:898 175:1425 176:4115 177:5662 178:4687 179:2881 180:3348 181:4755 182:4139 183:2625 184:2203 185:22086 186:6594 187:6060 188:4934 189:5043 190:10027 191:2044 192:12018 193:9654 194:8015 195:6046 196:3513 197:3301 198:6383 199:6194 200:8487 201:7012 202:10799 203:10546 204:4804 205:3740 206:4527 207:3912 208:4349 209:5467 210:4879 211:2811 212:5289 213:4138 214:1043 215:52 216:7340 217:3925 218:1950 219:579 220:2224 221:1440 222:1114 223:3671 End of report