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 26 Sep, 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: 1074072 Prefixes after maximum aggregation (per Origin AS): 414280 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 534971 Number of IPv4 prefixes with a valid ROA: 750797 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 323249 Total ASes present in the Internet Routing Table: 79321 Prefixes per ASN: 13.54 Origin-only ASes present in the Internet Routing Table: 67918 Origin ASes announcing only one prefix: 27852 Transit ASes present in the Internet Routing Table: 11403 Transit-only ASes present in the Internet Routing Table: 615 Paths with bogon ASNs present in the IPv4 Routing Table: 36 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: 1082 Number of instances of unregistered ASNs: 1098 Number of 32-bit ASNs allocated by the RIRs: 51398 Number of 32-bit ASNs visible in the Routing Table: 41709 Prefixes from 32-bit ASNs in the Routing Table: 241726 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 398 Number of addresses announced to Internet: 3127063941 Equivalent to 186 /8s, 99 /16s and 53 /24s Percentage of available address space announced: 84.5 Percentage of allocated address space announced: 84.5 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: 354366 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288648 Total APNIC prefixes after maximum aggregation: 85918 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 276423 Unique aggregates announced from the APNIC address blocks: 110884 APNIC Region origin ASes present in the Internet Routing Table: 15381 APNIC Prefixes per ASN: 17.97 APNIC Region origin ASes announcing only one prefix: 4764 APNIC Region transit ASes present in the Internet Routing Table: 2046 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 54 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10969 Number of APNIC addresses announced to Internet: 749908544 Equivalent to 44 /8s, 178 /16s and 178 /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: 314968 Total ARIN prefixes after maximum aggregation: 139986 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312273 Unique aggregates announced from the ARIN address blocks: 153344 ARIN Region origin ASes present in the Internet Routing Table: 19505 ARIN Prefixes per ASN: 16.01 ARIN Region origin ASes announcing only one prefix: 7175 ARIN Region transit ASes present in the Internet Routing Table: 2014 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: 5790 Number of ARIN addresses announced to Internet: 1355659779 Equivalent to 80 /8s, 205 /16s and 186 /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: 299126 Total RIPE prefixes after maximum aggregation: 148875 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 305483 Unique aggregates announced from the RIPE address blocks: 200232 RIPE Region origin ASes present in the Internet Routing Table: 29859 RIPE Prefixes per ASN: 10.23 RIPE Region origin ASes announcing only one prefix: 12354 RIPE Region transit ASes present in the Internet Routing Table: 4146 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13912 Number of RIPE addresses announced to Internet: 750184834 Equivalent to 44 /8s, 182 /16s and 233 /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: 132146 Total LACNIC prefixes after maximum aggregation: 31800 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125831 Unique aggregates announced from the LACNIC address blocks: 51601 LACNIC Region origin ASes present in the Internet Routing Table: 11523 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2788 LACNIC Region transit ASes present in the Internet Routing Table: 2632 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9580 Number of LACNIC addresses announced to Internet: 167507648 Equivalent to 9 /8s, 251 /16s and 246 /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: 38102 Total AfriNIC prefixes after maximum aggregation: 7060 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 53664 Unique aggregates announced from the AfriNIC address blocks: 18579 AfriNIC Region origin ASes present in the Internet Routing Table: 2095 AfriNIC Prefixes per ASN: 25.62 AfriNIC Region origin ASes announcing only one prefix: 771 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1458 Number of AfriNIC addresses announced to Internet: 103565056 Equivalent to 6 /8s, 44 /16s and 71 /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 14096 8919 100 CHINAMOBILE-CN - China Mobile Communicati 9498 5119 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4992 4191 72 ERX-CERNET-BKB - China Education and Rese 7545 4634 830 272 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3613 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3511 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3406 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3083 316 1817 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2484 590 705 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 18684 42654 5592 AMAZON-02 - Amazon.com, Inc., US 22773 4863 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4604 306 1119 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 73 SHAW - Shaw Communications, CA 396982 3531 5380 595 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3220 240 1143 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2825 2576 888 WINDSTREAM - Windstream Communications LL 31898 2767 1376 1155 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 6982 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4344 388 2643 M247 - M247 Europe SRL, RO 20940 3907 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3584 258 2709 CDNEXT - Datacamp Limited, GB 12389 3125 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 34984 2519 370 595 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1698 1852 17 TE-AS - IDDQD-AS, EG 44559 1695 106 959 ITHOSTLINE - IT HOSTLINE LTD, CY 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 13230 3307 608 AS8151 - UNINET, MX 10620 3402 442 1119 AS10620 - Telmex Colombia S.A., CO 13999 2241 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 11664 1492 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1193 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 73 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1077 75 53 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 1976 497 26 Vodafone Data - Vodafone Data, EG 36992 1942 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1457 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1353 589 106 Office National des Postes et Telecommuni 36935 1286 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 591 57 62 Wananchi Group (Kenya) Limited - Wananchi 20011 558 161 173 Dimension Data - Dimension Data, ZA 36914 545 82 3 Kenya Education Network - Kenya Education 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 18684 42654 5592 AMAZON-02 - Amazon.com, Inc., US 9808 14096 8919 100 CHINAMOBILE-CN - China Mobile Communicati 8151 13230 3307 608 AS8151 - UNINET, MX 12479 6982 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5119 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4992 4191 72 ERX-CERNET-BKB - China Education and Rese 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4863 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4634 830 272 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4604 306 1119 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 14096 13996 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13230 12622 AS8151 - UNINET, MX 12479 6982 6833 UNI2-AS - Orange Espagne SA, ES 4538 4992 4920 ERX-CERNET-BKB - China Education and Research N 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5119 4780 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4863 4442 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4634 4362 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4073 4049 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 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 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 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 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 3605 ERX-KUENTOS-AS - Guam Cablevision, LLC., 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: 32217 GPIEX - GPIEX INC, US 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 /13:589 /14:1190 /15:2138 /16:13779 /17:8374 /18:13409 /19:25761 /20:46585 /21:53728 /22:113737 /23:110724 /24:683165 /25:66 /26:83 /27:106 /28:30 /29:56 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7397 13230 AS8151 - UNINET, MX 12479 5892 6982 UNI2-AS - Orange Espagne SA, ES 16509 3688 18684 AMAZON-02 - Amazon.com, Inc., US 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3601 3835 SHAW - Shaw Communications, CA 11492 3511 4604 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3113 4863 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2237 3402 AS10620 - Telmex Colombia S.A., CO 30036 2203 2550 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) ---------------------------------------------- 1:2056 2:2935 3:1875 4:8 5:5469 6:215 7:6 8:1365 9:138 11:172 12:1090 13:1476 14:2744 15:490 16:285 17:468 18:1904 20:601 21:4 22:188 23:8639 24:2811 25:2 27:2873 28:7 29:19 31:3961 32:36 34:94 35:298 36:4895 37:4439 38:10477 39:1447 40:461 41:4634 42:1046 43:3454 44:516 45:19877 46:5007 47:459 48:171 49:2314 50:2029 51:1012 52:1460 54:449 55:1151 56:11 57:337 58:2763 59:1550 60:1196 61:3305 62:3189 63:1703 64:6652 65:2260 66:6311 67:3340 68:1308 69:4120 70:1087 71:610 72:3284 74:3171 75:1745 76:594 77:2930 78:2145 79:1916 80:2361 81:2307 82:4429 83:1515 84:2184 85:3896 86:1135 87:3021 88:1352 89:4922 90:761 91:8500 92:2775 93:3060 94:4649 95:4767 96:1465 97:305 98:955 99:1127 100:65 101:1371 102:4753 103:32272 104:5744 105:939 106:932 107:2994 108:1913 109:3957 110:2237 111:4298 112:3246 113:1677 114:2613 115:2265 116:2106 117:3881 118:2506 119:2115 120:2877 121:1870 122:3077 123:2225 124:1988 125:3005 126:155 128:1601 129:990 130:1768 131:2625 132:961 133:484 134:1825 135:673 136:1571 137:1423 138:3423 139:1821 140:1870 141:1883 142:2741 143:2347 144:1922 145:693 146:2254 147:2394 148:2870 149:3723 150:1459 151:3179 152:2485 153:2170 154:8898 155:2373 156:4081 157:2491 158:1660 159:2983 160:4144 161:2154 162:4236 163:2770 164:2451 165:2799 166:1262 167:2419 168:4263 169:962 170:5611 171:1139 172:4988 173:3504 174:893 175:1409 176:4048 177:5614 178:4691 179:2809 180:3344 181:4694 182:4079 183:2635 184:2216 185:22077 186:6554 187:5965 188:4841 189:4922 190:9986 191:1964 192:11945 193:9627 194:7963 195:5999 196:3415 197:3244 198:6348 199:6146 200:8471 201:6937 202:10799 203:10544 204:4730 205:3716 206:4502 207:3918 208:4349 209:5473 210:4888 211:2810 212:5242 213:4137 214:1031 215:50 216:7373 217:3826 218:1970 219:578 220:2236 221:1441 222:1121 223:3631 End of report