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 07 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: 1048836 Prefixes after maximum aggregation (per Origin AS): 397385 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 508382 Number of IPv4 prefixes with a valid ROA: 623999 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 424818 Total ASes present in the Internet Routing Table: 77962 Prefixes per ASN: 13.45 Origin-only ASes present in the Internet Routing Table: 66728 Origin ASes announcing only one prefix: 27147 Transit ASes present in the Internet Routing Table: 11234 Transit-only ASes present in the Internet Routing Table: 570 Paths with bogon ASNs present in the IPv4 Routing Table: 54 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 212 Max AS path prepend of ASN (214570) 200 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 48643 Number of 32-bit ASNs visible in the Routing Table: 39834 Prefixes from 32-bit ASNs in the Routing Table: 224184 Number of bogon 32-bit ASNs visible in the Routing Table: 85 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 345 Number of addresses announced to Internet: 3108044453 Equivalent to 185 /8s, 64 /16s and 254 /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: 338868 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291517 Total APNIC prefixes after maximum aggregation: 83197 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 277998 Unique aggregates announced from the APNIC address blocks: 107206 APNIC Region origin ASes present in the Internet Routing Table: 15113 APNIC Prefixes per ASN: 18.39 APNIC Region origin ASes announcing only one prefix: 4596 APNIC Region transit ASes present in the Internet Routing Table: 2033 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10626 Number of APNIC addresses announced to Internet: 757291584 Equivalent to 45 /8s, 35 /16s and 90 /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: 305154 Total ARIN prefixes after maximum aggregation: 135956 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 304312 Unique aggregates announced from the ARIN address blocks: 146310 ARIN Region origin ASes present in the Internet Routing Table: 19402 ARIN Prefixes per ASN: 15.68 ARIN Region origin ASes announcing only one prefix: 7082 ARIN Region transit ASes present in the Internet Routing Table: 1981 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5464 Number of ARIN addresses announced to Internet: 1342531584 Equivalent to 80 /8s, 5 /16s and 104 /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: 285044 Total RIPE prefixes after maximum aggregation: 140351 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 287379 Unique aggregates announced from the RIPE address blocks: 185497 RIPE Region origin ASes present in the Internet Routing Table: 29198 RIPE Prefixes per ASN: 9.84 RIPE Region origin ASes announcing only one prefix: 12082 RIPE Region transit ASes present in the Internet Routing Table: 4067 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 212 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13010 Number of RIPE addresses announced to Internet: 733775873 Equivalent to 43 /8s, 188 /16s and 136 /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: 128612 Total LACNIC prefixes after maximum aggregation: 30278 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 124390 Unique aggregates announced from the LACNIC address blocks: 49582 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: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2558 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: 9357 Number of LACNIC addresses announced to Internet: 170866272 Equivalent to 10 /8s, 47 /16s and 54 /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: 37447 Total AfriNIC prefixes after maximum aggregation: 6927 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 54411 Unique aggregates announced from the AfriNIC address blocks: 19508 AfriNIC Region origin ASes present in the Internet Routing Table: 2014 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: 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: 1377 Number of AfriNIC addresses announced to Internet: 103378944 Equivalent to 6 /8s, 41 /16s and 112 /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 13877 9093 161 CHINAMOBILE-CN China Mobile Communication 7545 6001 831 551 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4844 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4746 545 337 BBIL-AP BHARTI Airtel Ltd., IN 45899 4409 1873 52 VNPT-AS-VN VNPT Corp, VN 18403 4109 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4061 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3572 853 235 CMNET-JIANGSU-AP China Mobile communicati 17561 3035 190 600 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 14108 38818 5513 AMAZON-02 - Amazon.com, Inc., US 174 5437 8769 856 COGENT-174 - Cogent Communications, LLC, 22773 4775 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4629 307 1032 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3699 1321 71 SHAW - Shaw Communications, CA 396982 3306 4855 483 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54728 2394 DNIC-AS-00749 - United States Department 16625 2821 1217 2139 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2693 221 891 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 7234 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3895 364 2227 M247, RO 20940 3855 3393 121 AKAMAI-ASN1, NL 12389 3178 2317 872 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2578 185 1877 CDNEXT, GB 34984 2434 366 578 TELLCOM-AS, TR 8452 1720 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1590 241 770 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 12718 3285 606 UNINET, MX 10620 3445 457 1107 Telmex Colombia S.A., CO 13999 2478 506 350 Mega Cable, S.A. de C.V., MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 11664 1414 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 1255 371 22 INTEGRATEL PERU S.A.A., PE 22884 1054 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 1983 646 33 RAYA-AS, EG 36992 1844 1532 338 ETISALAT-MISR, EG 24863 1281 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1164 521 44 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 328608 603 48 169 Africa-on-Cloud-AS, ZA 20011 580 154 212 NTT-DATA-Inc, ZA 36914 563 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 14108 38818 5513 AMAZON-02 - Amazon.com, Inc., US 9808 13877 9093 161 CHINAMOBILE-CN China Mobile Communication 8151 12718 3285 606 UNINET, MX 12479 7234 1711 149 UNI2-AS, ES 7545 6001 831 551 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5437 8769 856 COGENT-174 - Cogent Communications, LLC, 39891 4969 306 72 ALJAWWALSTC-AS, SA 4538 4844 4192 76 ERX-CERNET-BKB China Education and Resear 22773 4775 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4746 545 337 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 13877 13716 CHINAMOBILE-CN China Mobile Communications Grou 8151 12718 12112 UNINET, MX 12479 7234 7085 UNI2-AS, ES 7545 6001 5450 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 4538 4844 4768 ERX-CERNET-BKB China Education and Research Net 174 5437 4581 COGENT-174 - Cogent Communications, LLC, US 22773 4775 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 9498 4746 4409 BBIL-AP BHARTI Airtel Ltd., IN 45899 4409 4357 VNPT-AS-VN VNPT Corp, 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 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 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 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 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: 3257 GTT-BACKBONE GTT, US 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 /14:1201 /15:2104 /16:13796 /17:8456 /18:14181 /19:25644 /20:47060 /21:53381 /22:114843 /23:108646 /24:657719 /25:127 /26:108 /27:114 /28:40 /29:66 /30:10 /31:3 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6884 12718 UNINET, MX 12479 6162 7234 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3492 4629 CABLEONE - CABLE ONE, INC., US 6327 3479 3699 SHAW - Shaw Communications, CA 22773 3050 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2512 14108 AMAZON-02 - Amazon.com, Inc., US 30036 2311 2656 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2225 3445 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) ---------------------------------------------- 1:2541 2:1542 3:985 4:11 5:5126 6:187 7:6 8:1545 9:21 11:172 12:1228 13:619 14:2712 15:420 16:178 17:401 18:917 20:606 21:4 22:188 23:8188 24:2620 25:2 27:2878 29:19 31:3448 32:35 34:85 35:294 36:4662 37:4508 38:11539 39:1266 40:439 41:4651 42:1905 43:3107 44:421 45:19942 46:5007 47:422 48:38 49:2239 50:2066 51:598 52:1258 54:241 55:1117 56:11 57:320 58:2531 59:1444 60:1177 61:3320 62:3131 63:1782 64:6201 65:2110 66:6038 67:3253 68:1489 69:4205 70:1044 71:622 72:3040 74:2964 75:1507 76:584 77:2761 78:1917 79:1817 80:2347 81:2204 82:4029 83:1471 84:2046 85:3797 86:1111 87:2413 88:1351 89:4662 90:820 91:8433 92:2850 93:3015 94:4365 95:4575 96:1449 97:312 98:948 99:782 100:70 101:1627 102:4578 103:32757 104:5471 105:1056 106:940 107:2846 108:1226 109:4240 110:2315 111:4166 112:3180 113:2021 114:2198 115:2285 116:2221 117:3447 118:2934 119:2184 120:2732 121:1601 122:3010 123:2443 124:1768 125:3018 126:125 128:1672 129:941 130:1609 131:2381 132:778 133:461 134:1630 135:561 136:1635 137:1364 138:3048 139:1695 140:1797 141:1576 142:2469 143:2209 144:1667 145:627 146:2211 147:2266 148:2785 149:3039 150:1327 151:2699 152:2288 153:961 154:9887 155:2310 156:4648 157:2271 158:1502 159:2771 160:3757 161:1985 162:4063 163:2356 164:2030 165:2647 166:1291 167:2233 168:4030 169:922 170:5566 171:1115 172:4577 173:3439 174:890 175:1385 176:3796 177:4894 178:4412 179:2336 180:3042 181:4532 182:3946 183:2846 184:1996 185:21759 186:5835 187:4974 188:4557 189:4544 190:9874 191:1576 192:11524 193:9516 194:7900 195:5760 196:3275 197:3319 198:6124 199:6118 200:8272 201:6460 202:11107 203:10948 204:4715 205:3732 206:4508 207:3850 208:4389 209:5402 210:5189 211:2879 212:5016 213:4088 214:1060 215:54 216:7134 217:3477 218:1799 219:638 220:2199 221:1334 222:1216 223:3316 End of report