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 14 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: 1052002 Prefixes after maximum aggregation (per Origin AS): 398338 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 509537 Number of IPv4 prefixes with a valid ROA: 626338 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 425645 Total ASes present in the Internet Routing Table: 78045 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 66721 Origin ASes announcing only one prefix: 27198 Transit ASes present in the Internet Routing Table: 11324 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1094 Number of instances of unregistered ASNs: 1127 Number of 32-bit ASNs allocated by the RIRs: 48724 Number of 32-bit ASNs visible in the Routing Table: 39904 Prefixes from 32-bit ASNs in the Routing Table: 225763 Number of bogon 32-bit ASNs visible in the Routing Table: 89 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 343 Number of addresses announced to Internet: 3107892901 Equivalent to 185 /8s, 62 /16s and 174 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 339630 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 293202 Total APNIC prefixes after maximum aggregation: 83213 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 279842 Unique aggregates announced from the APNIC address blocks: 107289 APNIC Region origin ASes present in the Internet Routing Table: 15127 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 4612 APNIC Region transit ASes present in the Internet Routing Table: 2040 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: 10641 Number of APNIC addresses announced to Internet: 757149248 Equivalent to 45 /8s, 33 /16s and 46 /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: 305834 Total ARIN prefixes after maximum aggregation: 136389 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 304817 Unique aggregates announced from the ARIN address blocks: 146640 ARIN Region origin ASes present in the Internet Routing Table: 19394 ARIN Prefixes per ASN: 15.72 ARIN Region origin ASes announcing only one prefix: 7081 ARIN Region transit ASes present in the Internet Routing Table: 2008 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: 5469 Number of ARIN addresses announced to Internet: 1342614272 Equivalent to 80 /8s, 6 /16s and 171 /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: 285830 Total RIPE prefixes after maximum aggregation: 140800 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 288207 Unique aggregates announced from the RIPE address blocks: 186218 RIPE Region origin ASes present in the Internet Routing Table: 29254 RIPE Prefixes per ASN: 9.85 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 4100 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13056 Number of RIPE addresses announced to Internet: 733895425 Equivalent to 43 /8s, 190 /16s and 91 /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: 128680 Total LACNIC prefixes after maximum aggregation: 30295 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 124397 Unique aggregates announced from the LACNIC address blocks: 49569 LACNIC Region origin ASes present in the Internet Routing Table: 11358 LACNIC Prefixes per ASN: 10.95 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2580 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: 9361 Number of LACNIC addresses announced to Internet: 170863456 Equivalent to 10 /8s, 47 /16s and 43 /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: 37362 Total AfriNIC prefixes after maximum aggregation: 6944 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 54395 Unique aggregates announced from the AfriNIC address blocks: 19524 AfriNIC Region origin ASes present in the Internet Routing Table: 2013 AfriNIC Prefixes per ASN: 27.02 AfriNIC Region origin ASes announcing only one prefix: 722 AfriNIC Region transit ASes present in the Internet Routing Table: 392 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: 1377 Number of AfriNIC addresses announced to Internet: 103201024 Equivalent to 6 /8s, 38 /16s and 185 /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 13917 9093 161 CHINAMOBILE-CN China Mobile Communication 7545 5998 831 547 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4841 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4771 545 328 BBIL-AP BHARTI Airtel Ltd., IN 18403 4487 347 24 FPT-AS-AP FPT Telecom Company, VN 45899 4410 1873 53 VNPT-AS-VN VNPT Corp, VN 7552 4071 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3614 908 229 CMNET-JIANGSU-AP China Mobile communicati 17561 3109 195 595 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 14182 38854 5507 AMAZON-02 - Amazon.com, Inc., US 174 5421 8735 857 COGENT-174 - Cogent Communications, LLC, 22773 4780 3098 362 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 3320 4856 490 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2831 1224 2140 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2696 221 889 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 7244 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3859 3394 124 AKAMAI-ASN1, NL 9009 3857 362 2232 M247, RO 12389 3178 2317 872 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2606 188 1902 CDNEXT, GB 34984 2450 365 575 TELLCOM-AS, TR 8452 1713 1853 19 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1594 242 772 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 12683 3291 604 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2430 504 346 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1414 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1374 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 1055 67 357 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 2486 57 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 1844 1532 338 ETISALAT-MISR, EG 24863 1283 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1193 523 46 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1071 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 575 48 164 Africa-on-Cloud-AS, ZA 15399 554 57 61 WANANCHI-, 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 14182 38854 5507 AMAZON-02 - Amazon.com, Inc., US 9808 13917 9093 161 CHINAMOBILE-CN China Mobile Communication 8151 12683 3291 604 UNINET, MX 12479 7244 1711 149 UNI2-AS, ES 7545 5998 831 547 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5421 8735 857 COGENT-174 - Cogent Communications, LLC, 39891 4969 306 72 ALJAWWALSTC-AS, SA 4538 4841 4192 76 ERX-CERNET-BKB China Education and Resear 22773 4780 3098 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4771 545 328 BBIL-AP BHARTI Airtel Ltd., IN 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 13917 13756 CHINAMOBILE-CN China Mobile Communications Grou 8151 12683 12079 UNINET, MX 12479 7244 7095 UNI2-AS, ES 7545 5998 5451 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 5421 4564 COGENT-174 - Cogent Communications, LLC, US 18403 4487 4463 FPT-AS-AP FPT Telecom Company, VN 9498 4771 4443 BBIL-AP BHARTI Airtel Ltd., IN 22773 4780 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 /11:92 /12:303 /13:583 /14:1202 /15:2104 /16:13792 /17:8463 /18:14201 /19:25673 /20:47060 /21:53471 /22:114886 /23:109058 /24:660291 /25:122 /26:111 /27:114 /28:39 /29:65 /30:10 /31:3 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6853 12683 UNINET, MX 12479 6172 7244 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 3053 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2523 14182 AMAZON-02 - Amazon.com, Inc., US 30036 2313 2658 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2228 3448 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) ---------------------------------------------- 1:2573 2:1547 3:981 4:11 5:5157 6:185 7:6 8:1544 9:25 11:172 12:1228 13:638 14:2728 15:425 16:173 17:402 18:916 20:607 21:4 22:188 23:8214 24:2620 25:2 27:2883 29:19 31:3442 32:35 34:85 35:294 36:4678 37:4517 38:11531 39:1270 40:439 41:4632 42:2024 43:3092 44:424 45:19938 46:4996 47:425 48:38 49:2249 50:2072 51:598 52:1279 54:243 55:1113 56:11 57:320 58:2575 59:1471 60:1182 61:3382 62:3138 63:1779 64:6245 65:2126 66:6046 67:3260 68:1490 69:4213 70:1038 71:624 72:3037 74:2980 75:1505 76:584 77:2834 78:1918 79:1814 80:2355 81:2235 82:4033 83:1465 84:2052 85:3824 86:1113 87:2415 88:1349 89:4699 90:818 91:8463 92:2843 93:3028 94:4391 95:4589 96:1453 97:313 98:948 99:787 100:69 101:1619 102:4553 103:32750 104:5531 105:1053 106:943 107:2856 108:1233 109:4289 110:2317 111:4172 112:3183 113:2100 114:2204 115:2330 116:2227 117:3465 118:3030 119:2190 120:2742 121:1600 122:3012 123:2461 124:1824 125:3036 126:125 128:1672 129:943 130:1611 131:2404 132:778 133:461 134:1643 135:555 136:1633 137:1360 138:3114 139:1694 140:1812 141:1575 142:2488 143:2175 144:1695 145:629 146:2207 147:2263 148:2792 149:3065 150:1332 151:2703 152:2287 153:970 154:9963 155:2301 156:4634 157:2280 158:1501 159:2769 160:3753 161:1984 162:4044 163:2350 164:2023 165:2616 166:1289 167:2248 168:4034 169:902 170:5547 171:1133 172:4567 173:3466 174:892 175:1407 176:3817 177:4860 178:4405 179:2338 180:3181 181:4538 182:3976 183:2864 184:1996 185:21823 186:5895 187:4921 188:4576 189:4521 190:9883 191:1585 192:11514 193:9537 194:7923 195:5807 196:3284 197:3318 198:6108 199:6122 200:8286 201:6462 202:11115 203:10948 204:4718 205:3741 206:4526 207:3870 208:4403 209:5421 210:5203 211:2882 212:5022 213:4107 214:1078 215:54 216:7193 217:3499 218:1982 219:653 220:2334 221:1337 222:1424 223:3356 End of report