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 21 Feb, 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: 1053880 Prefixes after maximum aggregation (per Origin AS): 398503 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 509965 Number of IPv4 prefixes with a valid ROA: 627963 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 425898 Total ASes present in the Internet Routing Table: 78107 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 66774 Origin ASes announcing only one prefix: 27243 Transit ASes present in the Internet Routing Table: 11333 Transit-only ASes present in the Internet Routing Table: 579 Paths with bogon ASNs present in the IPv4 Routing Table: 60 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 250 Max AS path prepend of ASN ( 17210) 245 Prefixes from unregistered ASNs in the Routing Table: 1110 Number of instances of unregistered ASNs: 1144 Number of 32-bit ASNs allocated by the RIRs: 48811 Number of 32-bit ASNs visible in the Routing Table: 39962 Prefixes from 32-bit ASNs in the Routing Table: 225793 Number of bogon 32-bit ASNs visible in the Routing Table: 91 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 344 Number of addresses announced to Internet: 3117813797 Equivalent to 185 /8s, 214 /16s and 16 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 339931 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 293248 Total APNIC prefixes after maximum aggregation: 82937 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 280202 Unique aggregates announced from the APNIC address blocks: 107314 APNIC Region origin ASes present in the Internet Routing Table: 15137 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 4625 APNIC Region transit ASes present in the Internet Routing Table: 2043 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 54 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10651 Number of APNIC addresses announced to Internet: 757563456 Equivalent to 45 /8s, 39 /16s and 128 /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: 306900 Total ARIN prefixes after maximum aggregation: 136698 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 305206 Unique aggregates announced from the ARIN address blocks: 146901 ARIN Region origin ASes present in the Internet Routing Table: 19412 ARIN Prefixes per ASN: 15.72 ARIN Region origin ASes announcing only one prefix: 7085 ARIN Region transit ASes present in the Internet Routing Table: 2011 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 250 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5484 Number of ARIN addresses announced to Internet: 1351917568 Equivalent to 80 /8s, 148 /16s and 160 /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, 393216-402332 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: 286393 Total RIPE prefixes after maximum aggregation: 140864 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 288961 Unique aggregates announced from the RIPE address blocks: 186238 RIPE Region origin ASes present in the Internet Routing Table: 29287 RIPE Prefixes per ASN: 9.87 RIPE Region origin ASes announcing only one prefix: 12144 RIPE Region transit ASes present in the Internet Routing Table: 4095 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13089 Number of RIPE addresses announced to Internet: 733037185 Equivalent to 43 /8s, 177 /16s and 66 /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 196608-216475 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: 128700 Total LACNIC prefixes after maximum aggregation: 30353 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 124376 Unique aggregates announced from the LACNIC address blocks: 49666 LACNIC Region origin ASes present in the Internet Routing Table: 11355 LACNIC Prefixes per ASN: 10.95 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2574 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9356 Number of LACNIC addresses announced to Internet: 170792800 Equivalent to 10 /8s, 46 /16s and 23 /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: 37529 Total AfriNIC prefixes after maximum aggregation: 6943 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 54790 Unique aggregates announced from the AfriNIC address blocks: 19547 AfriNIC Region origin ASes present in the Internet Routing Table: 2016 AfriNIC Prefixes per ASN: 27.18 AfriNIC Region origin ASes announcing only one prefix: 726 AfriNIC Region transit ASes present in the Internet Routing Table: 395 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1382 Number of AfriNIC addresses announced to Internet: 103287040 Equivalent to 6 /8s, 40 /16s and 9 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 13916 9093 161 CHINAMOBILE-CN China Mobile Communication 7545 5988 831 540 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4841 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4789 546 333 BBIL-AP BHARTI Airtel Ltd., IN 18403 4537 347 24 FPT-AS-AP FPT Telecom Company, VN 45899 4409 1873 53 VNPT-AS-VN VNPT Corp, VN 7552 4071 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3684 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3614 908 229 CMNET-JIANGSU-AP China Mobile communicati 17561 3150 198 586 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 14334 41157 5588 AMAZON-02 - Amazon.com, Inc., US 174 5437 8767 855 COGENT-174 - Cogent Communications, LLC, 22773 4782 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4637 308 1021 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3699 1321 71 SHAW - Shaw Communications, CA 396982 3321 4856 490 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2809 1219 2135 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2695 221 892 AS-COLOCROSSING - HostPapa, 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 7236 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3852 3393 115 AKAMAI-ASN1, NL 9009 3799 354 2227 M247, RO 12389 3176 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2632 190 1928 CDNEXT, GB 34984 2443 364 574 TELLCOM-AS, TR 8452 1682 1853 19 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1602 243 781 HOSTROYALE, IN 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 12713 3309 604 UNINET, MX 10620 3449 457 1104 Telmex Colombia S.A., CO 13999 2465 506 349 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1415 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1254 371 22 INTEGRATEL PERU S.A.A., PE 22884 1058 67 360 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1055 2475 94 TIM SA, 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 1984 648 34 RAYA-AS, EG 36992 1845 1532 339 ETISALAT-MISR, EG 24863 1279 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1199 523 46 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1072 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 565 47 167 Africa-on-Cloud-AS, ZA 36914 557 82 3 KENET-AS, KE 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 14334 41157 5588 AMAZON-02 - Amazon.com, Inc., US 9808 13916 9093 161 CHINAMOBILE-CN China Mobile Communication 8151 12713 3309 604 UNINET, MX 12479 7236 1711 149 UNI2-AS, ES 7545 5988 831 540 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5437 8767 855 COGENT-174 - Cogent Communications, LLC, 39891 4969 306 72 ALJAWWALSTC-AS, SA 4538 4841 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4789 546 333 BBIL-AP BHARTI Airtel Ltd., IN 22773 4782 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 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 13916 13755 CHINAMOBILE-CN China Mobile Communications Grou 8151 12713 12109 UNINET, MX 12479 7236 7087 UNI2-AS, ES 7545 5988 5448 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 4538 4841 4765 ERX-CERNET-BKB China Education and Research Net 174 5437 4582 COGENT-174 - Cogent Communications, LLC, US 18403 4537 4513 FPT-AS-AP FPT Telecom Company, VN 9498 4789 4456 BBIL-AP BHARTI Airtel Ltd., IN 22773 4782 4418 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 13450 UNALLOCATED 8.29.117.0/24 55002 DEFENSE-NET - F5, Inc., 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 33491 COMCAST-33491 - Comcast 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.2.3.8/30 21996 GUAMCELL - GUAMCELL Communications, US 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 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 3605 ERX-KUENTOS-AS Guam Cablevision, LLC., G 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /10:40 /11:95 /12:300 /13:584 /14:1203 /15:2121 /16:13809 /17:8469 /18:14200 /19:26209 /20:47161 /21:53528 /22:115023 /23:109336 /24:661093 /25:74 /26:84 /27:115 /28:39 /29:65 /30:10 /31:3 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6876 12713 UNINET, MX 12479 6164 7236 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3497 4637 CABLEONE - CABLE ONE, INC., US 6327 3479 3699 SHAW - Shaw Communications, CA 22773 3054 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2602 14334 AMAZON-02 - Amazon.com, Inc., US 30036 2310 2655 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2229 3449 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2587 2:1561 3:983 4:11 5:5165 6:191 7:6 8:1545 9:25 11:172 12:1224 13:641 14:2729 15:454 16:174 17:403 18:918 20:609 21:4 22:188 23:8214 24:2631 25:2 27:2884 29:19 31:3451 32:35 34:85 35:294 36:4672 37:4470 38:11628 39:1270 40:443 41:4647 42:2039 43:3098 44:432 45:20061 46:4995 47:424 48:38 49:2248 50:2074 51:599 52:1282 54:260 55:1119 56:11 57:320 58:2580 59:1471 60:1183 61:3379 62:3163 63:1776 64:6238 65:2122 66:6049 67:3256 68:1495 69:4226 70:1036 71:620 72:3081 74:2962 75:1503 76:587 77:2830 78:1917 79:1808 80:2371 81:2247 82:4010 83:1471 84:2053 85:3832 86:1110 87:2426 88:1347 89:4701 90:812 91:8473 92:2841 93:3030 94:4396 95:4582 96:1449 97:313 98:953 99:790 100:69 101:1616 102:4586 103:32771 104:5516 105:1056 106:943 107:2853 108:1221 109:4285 110:2313 111:4174 112:3184 113:2105 114:2204 115:2330 116:2227 117:3505 118:3100 119:2189 120:2742 121:1601 122:3015 123:2463 124:1827 125:3044 126:125 128:1676 129:962 130:1612 131:2382 132:783 133:461 134:1640 135:564 136:1626 137:1356 138:3137 139:1703 140:1811 141:1584 142:2486 143:2173 144:1721 145:628 146:2209 147:2250 148:2776 149:3057 150:1328 151:2670 152:2298 153:998 154:10037 155:2293 156:4687 157:2283 158:1498 159:2765 160:3755 161:1974 162:4023 163:2398 164:2027 165:2628 166:1287 167:2235 168:4015 169:890 170:5564 171:1139 172:4572 173:3451 174:889 175:1407 176:3809 177:4854 178:4379 179:2345 180:3123 181:4539 182:3992 183:2868 184:2007 185:21824 186:5894 187:4944 188:4574 189:4538 190:9868 191:1578 192:11497 193:9600 194:7928 195:5789 196:3289 197:3315 198:6129 199:6139 200:8271 201:6444 202:11141 203:10955 204:4720 205:3753 206:4546 207:3869 208:4386 209:5417 210:5195 211:2873 212:5028 213:4120 214:1069 215:54 216:7214 217:3529 218:1982 219:653 220:2332 221:1337 222:1427 223:3360 End of report