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 13 Jun, 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: 1083657 Prefixes after maximum aggregation (per Origin AS): 407749 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 522481 Number of IPv4 prefixes with a valid ROA: 719675 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 363959 Total ASes present in the Internet Routing Table: 78780 Prefixes per ASN: 13.76 Origin-only ASes present in the Internet Routing Table: 67379 Origin ASes announcing only one prefix: 27187 Transit ASes present in the Internet Routing Table: 11401 Transit-only ASes present in the Internet Routing Table: 598 Paths with bogon ASNs present in the IPv4 Routing Table: 56 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1251 Number of instances of unregistered ASNs: 1280 Number of 32-bit ASNs allocated by the RIRs: 50119 Number of 32-bit ASNs visible in the Routing Table: 40917 Prefixes from 32-bit ASNs in the Routing Table: 241371 Number of bogon 32-bit ASNs visible in the Routing Table: 108 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 357 Number of addresses announced to Internet: 3123641218 Equivalent to 186 /8s, 46 /16s and 251 /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: 354499 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 299590 Total APNIC prefixes after maximum aggregation: 85639 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 285694 Unique aggregates announced from the APNIC address blocks: 109272 APNIC Region origin ASes present in the Internet Routing Table: 15307 APNIC Prefixes per ASN: 18.66 APNIC Region origin ASes announcing only one prefix: 4657 APNIC Region transit ASes present in the Internet Routing Table: 2090 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10852 Number of APNIC addresses announced to Internet: 751884096 Equivalent to 44 /8s, 208 /16s and 215 /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: 308059 Total ARIN prefixes after maximum aggregation: 137713 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 306453 Unique aggregates announced from the ARIN address blocks: 148634 ARIN Region origin ASes present in the Internet Routing Table: 19442 ARIN Prefixes per ASN: 15.76 ARIN Region origin ASes announcing only one prefix: 7099 ARIN Region transit ASes present in the Internet Routing Table: 1983 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5628 Number of ARIN addresses announced to Internet: 1348135170 Equivalent to 80 /8s, 90 /16s and 233 /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: 295307 Total RIPE prefixes after maximum aggregation: 145649 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 299673 Unique aggregates announced from the RIPE address blocks: 194522 RIPE Region origin ASes present in the Internet Routing Table: 29618 RIPE Prefixes per ASN: 10.12 RIPE Region origin ASes announcing only one prefix: 12242 RIPE Region transit ASes present in the Internet Routing Table: 4115 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13553 Number of RIPE addresses announced to Internet: 749485952 Equivalent to 44 /8s, 172 /16s and 63 /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: 137848 Total LACNIC prefixes after maximum aggregation: 30945 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 132265 Unique aggregates announced from the LACNIC address blocks: 50334 LACNIC Region origin ASes present in the Internet Routing Table: 11428 LACNIC Prefixes per ASN: 11.57 LACNIC Region origin ASes announcing only one prefix: 2515 LACNIC Region transit ASes present in the Internet Routing Table: 2630 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9480 Number of LACNIC addresses announced to Internet: 169610176 Equivalent to 10 /8s, 28 /16s and 11 /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: 41602 Total AfriNIC prefixes after maximum aggregation: 7141 AfriNIC Deaggregation factor: 5.83 Prefixes being announced from the AfriNIC address blocks: 59215 Unique aggregates announced from the AfriNIC address blocks: 19411 AfriNIC Region origin ASes present in the Internet Routing Table: 2041 AfriNIC Prefixes per ASN: 29.01 AfriNIC Region origin ASes announcing only one prefix: 674 AfriNIC Region transit ASes present in the Internet Routing Table: 393 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1404 Number of AfriNIC addresses announced to Internet: 104307200 Equivalent to 6 /8s, 55 /16s and 154 /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 14140 8961 148 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 467 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4952 551 327 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4789 4192 73 ERX-CERNET-BKB - China Education and Rese 18403 4595 347 25 FPT-VN - FPT Telecom Company, VN 45899 4467 1873 53 VNPT-AS-VN - VNPT Corp, VN 7552 4068 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3710 908 230 CMNET-Jiangsu-AP - China Mobile communica 7713 3701 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3427 215 596 LCS-AS-AP - LARUS Limited, HK 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 15308 41449 5607 AMAZON-02 - Amazon.com, Inc., US 22773 4768 3099 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4583 304 1105 CABLEONE - CABLE ONE, INC., US 174 4035 8757 832 COGENT-174 - Cogent Communications, LLC, 7155 3868 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3728 1305 74 SHAW - Shaw Communications, CA 396982 3374 4868 516 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3083 233 1035 AS-COLOCROSSING - HostPapa, US 7029 2638 2536 888 WINDSTREAM - Windstream Communications LL 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 7120 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4092 371 2479 M247 - M247 Europe SRL, RO 20940 3810 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3240 232 2406 CDNEXT - Datacamp Limited, GB 12389 3194 2318 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2483 367 589 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1704 1852 17 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, 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 12822 3265 628 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2345 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 28573 1577 2390 277 AS28573 - Claro NXT Telecomunicacoes Ltda 11664 1489 277 34 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1222 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1089 70 359 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 2392 100 AS26615 - TIM S/A, BR 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 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1861 1532 337 ETISALAT MISR - ETISALAT MISR, EG 37457 1659 385 28 Telkom SA Ltd. - Telkom SA Ltd., ZA 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1277 521 43 Vodafone Data - Vodafone Data, EG 24863 1274 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 20011 1010 175 239 Dimension Data - Dimension Data, ZA 328608 614 56 176 Africa on Cloud - Africa on Cloud, ZA 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 15308 41449 5607 AMAZON-02 - Amazon.com, Inc., US 9808 14140 8961 148 CHINAMOBILE-CN - China Mobile Communicati 8151 12822 3265 628 AS8151 - UNINET, MX 12479 7120 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5860 822 467 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4952 551 327 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4789 4192 73 ERX-CERNET-BKB - China Education and Rese 22773 4768 3099 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4595 347 25 FPT-VN - FPT Telecom Company, VN 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 14140 13992 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12822 12194 AS8151 - UNINET, MX 12479 7120 6971 UNI2-AS - Orange Espagne SA, ES 7545 5860 5393 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4789 4716 ERX-CERNET-BKB - China Education and Research N 9498 4952 4625 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4595 4570 FPT-VN - FPT Telecom Company, VN 45899 4467 4414 VNPT-AS-VN - VNPT Corp, VN 22773 4768 4406 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 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 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 22442 HOU-PHONOSCOPE - Phonos 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 397274 UNALLOCATED 8.40.70.0/24 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 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 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 /12:300 /13:590 /14:1192 /15:2123 /16:13797 /17:8508 /18:14029 /19:26400 /20:47835 /21:53975 /22:115587 /23:114228 /24:684208 /25:75 /26:84 /27:112 /28:36 /29:62 /30:9 /31:3 /32:338 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7025 12822 AS8151 - UNINET, MX 12479 6051 7120 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3509 3728 SHAW - Shaw Communications, CA 11492 3459 4583 CABLEONE - CABLE ONE, INC., US 22773 3054 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2775 15308 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2205 2549 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) ---------------------------------------------- 1:2611 2:2063 3:1024 4:7 5:5291 6:202 7:6 8:1462 9:69 11:172 12:1118 13:759 14:2754 15:473 16:265 17:450 18:935 20:638 21:4 22:188 23:8398 24:2774 25:2 27:2867 28:1 29:19 31:3830 32:40 34:92 35:291 36:4813 37:4473 38:11063 39:1314 40:440 41:4703 42:2177 43:3366 44:462 45:20663 46:5039 47:459 48:168 49:2360 50:2005 51:876 52:1361 54:304 55:1173 56:11 57:327 58:2991 59:1718 60:1184 61:3389 62:3204 63:1694 64:6478 65:2152 66:6075 67:3289 68:1249 69:4104 70:1052 71:616 72:3224 74:3098 75:1501 76:598 77:2927 78:2104 79:1820 80:2381 81:2322 82:4350 83:1482 84:2225 85:3860 86:1092 87:2881 88:1322 89:4797 90:796 91:8543 92:2791 93:3031 94:4760 95:4711 96:1451 97:310 98:943 99:865 100:69 101:1655 102:5333 103:32856 104:5536 105:2332 106:921 107:2952 108:1307 109:4030 110:2302 111:4214 112:3135 113:2128 114:2537 115:2365 116:2141 117:3639 118:3110 119:2204 120:2857 121:1729 122:3054 123:2300 124:2130 125:3054 126:158 128:1606 129:1022 130:1716 131:2560 132:903 133:488 134:1738 135:632 136:1492 137:1385 138:3628 139:1869 140:1878 141:1732 142:2566 143:2173 144:1790 145:658 146:2199 147:2285 148:2799 149:3357 150:1385 151:2967 152:2381 153:1797 154:10030 155:2363 156:4999 157:2471 158:1587 159:2866 160:3926 161:2032 162:4161 163:2653 164:2427 165:2809 166:1275 167:2368 168:4290 169:906 170:5867 171:1166 172:4909 173:3440 174:898 175:1408 176:4012 177:5759 178:4555 179:2666 180:3490 181:4762 182:4063 183:2888 184:2054 185:21998 186:6834 187:5748 188:4840 189:4722 190:10133 191:1819 192:11808 193:9667 194:7973 195:6043 196:3695 197:3611 198:6177 199:6168 200:8527 201:6706 202:11186 203:10955 204:4742 205:3735 206:4476 207:3896 208:4381 209:5479 210:5209 211:2883 212:5173 213:4122 214:1039 215:47 216:7297 217:3693 218:2078 219:648 220:2358 221:1351 222:1454 223:3641 End of report