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 Sep, 2025 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: 1026899 Prefixes after maximum aggregation (per Origin AS): 389810 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 494489 Number of IPv4 prefixes with a valid ROA: 584057 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 442824 Total ASes present in the Internet Routing Table: 77517 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66312 Origin ASes announcing only one prefix: 26960 Transit ASes present in the Internet Routing Table: 11205 Transit-only ASes present in the Internet Routing Table: 568 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 52 Max AS path prepend of ASN ( 63293) 37 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1097 Number of 32-bit ASNs allocated by the RIRs: 47403 Number of 32-bit ASNs visible in the Routing Table: 39048 Prefixes from 32-bit ASNs in the Routing Table: 214444 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 308 Number of addresses announced to Internet: 3113836290 Equivalent to 185 /8s, 153 /16s and 95 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 332258 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281787 Total APNIC prefixes after maximum aggregation: 80251 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 272008 Unique aggregates announced from the APNIC address blocks: 106148 APNIC Region origin ASes present in the Internet Routing Table: 14935 APNIC Prefixes per ASN: 18.21 APNIC Region origin ASes announcing only one prefix: 4511 APNIC Region transit ASes present in the Internet Routing Table: 2017 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10418 Number of APNIC addresses announced to Internet: 755907136 Equivalent to 45 /8s, 14 /16s and 58 /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: 297475 Total ARIN prefixes after maximum aggregation: 133730 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 298580 Unique aggregates announced from the ARIN address blocks: 142698 ARIN Region origin ASes present in the Internet Routing Table: 19316 ARIN Prefixes per ASN: 15.46 ARIN Region origin ASes announcing only one prefix: 7066 ARIN Region transit ASes present in the Internet Routing Table: 2001 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 41 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5333 Number of ARIN addresses announced to Internet: 1349782529 Equivalent to 80 /8s, 116 /16s and 12 /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: 283255 Total RIPE prefixes after maximum aggregation: 138035 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 282612 Unique aggregates announced from the RIPE address blocks: 180026 RIPE Region origin ASes present in the Internet Routing Table: 29094 RIPE Prefixes per ASN: 9.71 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 4046 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12719 Number of RIPE addresses announced to Internet: 732386945 Equivalent to 43 /8s, 167 /16s and 86 /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: 127232 Total LACNIC prefixes after maximum aggregation: 30214 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 123347 Unique aggregates announced from the LACNIC address blocks: 49442 LACNIC Region origin ASes present in the Internet Routing Table: 11291 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2609 LACNIC Region transit ASes present in the Internet Routing Table: 2543 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9251 Number of LACNIC addresses announced to Internet: 170780480 Equivalent to 10 /8s, 45 /16s and 231 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 36082 Total AfriNIC prefixes after maximum aggregation: 6869 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 50044 Unique aggregates announced from the AfriNIC address blocks: 15893 AfriNIC Region origin ASes present in the Internet Routing Table: 1965 AfriNIC Prefixes per ASN: 25.47 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1327 Number of AfriNIC addresses announced to Internet: 104768768 Equivalent to 6 /8s, 62 /16s and 165 /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 13414 8889 171 CHINAMOBILE-CN China Mobile Communication 7545 6127 837 606 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4879 4192 75 ERX-CERNET-BKB China Education and Resear 9498 4470 536 313 BBIL-AP BHARTI Airtel Ltd., IN 18403 4453 347 26 FPT-AS-AP FPT Telecom Company, VN 45899 4397 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3967 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3686 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3158 832 228 CMNET-JIANGSU-AP China Mobile communicati 24560 2918 863 508 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 14426 40865 5396 AMAZON-02, US 174 5080 8767 835 COGENT-174, US 11492 4734 314 823 CABLEONE, US 22773 3960 3046 311 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3669 1320 82 SHAW, CA 396982 3229 3859 445 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 2993 233 1735 USDA-1, US 16625 2931 1243 2171 AKAMAI-AS, 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 7487 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3947 3396 140 AKAMAI-ASN1, NL 9009 3880 365 2195 M247, RO 12389 3122 2316 867 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2418 172 1751 CDNEXT, GB 34984 2415 363 574 TELLCOM-AS, TR 5384 2394 585 29 EMIRATES-INTERNET Emirates Internet, AE 203020 1893 226 875 HOSTROYALE, IN 8452 1613 1852 14 TE-AS TE-AS, EG 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 12388 3280 573 UNINET, MX 10620 3494 473 1048 Telmex Colombia S.A., CO 13999 2544 511 348 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1378 2435 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1210 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1181 371 22 Telefonica del Peru S.A.A., PE 22884 1062 68 361 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1016 2487 55 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 1823 652 28 RAYA-AS, EG 36992 1504 1498 379 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 29571 1248 102 39 ORANGE-COTE-IVOIRE, CI 24863 1246 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 1066 523 46 Vodafone-, EG 20011 612 168 246 NTT-DATA-Inc, ZA 36914 583 82 3 KENET-AS, KE 3741 563 725 319 NTT-DATA-Inc, 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 14426 40865 5396 AMAZON-02, US 9808 13414 8889 171 CHINAMOBILE-CN China Mobile Communication 8151 12388 3280 573 UNINET, MX 12479 7487 1711 149 UNI2-AS, ES 7545 6127 837 606 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5080 8767 835 COGENT-174, US 4538 4879 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4734 314 823 CABLEONE, US 9498 4470 536 313 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 13414 13243 CHINAMOBILE-CN China Mobile Communications Grou 8151 12388 11815 UNINET, MX 12479 7487 7338 UNI2-AS, ES 7545 6127 5521 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4879 4804 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4453 4427 FPT-AS-AP FPT Telecom Company, VN 45899 4397 4342 VNPT-AS-VN VNPT Corp, VN 174 5080 4245 COGENT-174, US 9498 4470 4157 BBIL-AP BHARTI Airtel Ltd., IN 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 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, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /10:41 /11:92 /12:299 /13:581 /14:1214 /15:2168 /16:13886 /17:8451 /18:14264 /19:25479 /20:46337 /21:53568 /22:114780 /23:107224 /24:637725 /25:145 /26:111 /27:114 /28:21 /29:63 /30:11 /31:0 /32:295 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6583 12388 UNINET, MX 12479 6446 7487 UNI2-AS, ES 11492 3550 4734 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3465 3669 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2506 3960 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2444 14426 AMAZON-02, US 30036 2309 2651 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3494 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) ---------------------------------------------- 1:2490 2:1612 3:937 4:12 5:4943 6:157 7:6 8:1574 9:4 11:172 12:1255 13:569 14:2691 15:399 16:303 17:393 18:906 20:586 21:4 22:188 23:7874 24:2713 25:2 27:2872 29:19 31:3461 32:36 33:1 34:85 35:270 36:4357 37:4588 38:10515 39:1039 40:282 41:4447 42:1984 43:2916 44:380 45:19359 46:5242 47:388 49:2162 50:2057 51:591 52:1617 54:371 55:1113 56:11 57:291 58:2394 59:1425 60:1210 61:3164 62:3095 63:1784 64:5659 65:2141 66:4893 67:3104 68:1081 69:4002 70:1033 71:639 72:2880 74:2844 75:1513 76:599 77:2788 78:1905 79:1784 80:2280 81:2106 82:3323 83:1503 84:1983 85:3497 86:1198 87:2394 88:1330 89:4546 90:807 91:8478 92:2851 93:3000 94:4291 95:4462 96:1491 97:312 98:948 99:752 100:71 101:1496 102:4315 103:33326 104:5299 105:1041 106:883 107:2657 108:1228 109:4270 110:2286 111:3755 112:2560 113:1891 114:2022 115:2372 116:2169 117:2854 118:3103 119:2090 120:2284 121:1438 122:2941 123:2583 124:1816 125:2933 126:91 128:1618 129:982 130:1314 131:2184 132:794 133:461 134:1608 135:368 136:1489 137:1281 138:2912 139:1688 140:1645 141:1547 142:1918 143:2046 144:1262 145:608 146:2198 147:2123 148:2736 149:3002 150:1282 151:2420 152:2334 153:629 154:7766 155:2026 156:3538 157:2063 158:1415 159:2568 160:3650 161:1962 162:3941 163:2328 164:1963 165:2603 166:1563 167:2092 168:3925 169:788 170:5433 171:1021 172:4245 173:3411 174:902 175:1382 176:3824 177:4965 178:4145 179:2401 180:2719 181:4249 182:3739 183:2543 184:2087 185:21777 186:5522 187:4730 188:4308 189:4453 190:9729 191:1619 192:11452 193:9506 194:7963 195:5745 196:3352 197:3273 198:6150 199:8682 200:8310 201:6434 202:11074 203:10964 204:4559 205:3649 206:4605 207:3569 208:4292 209:5220 210:5120 211:2891 212:4739 213:3879 214:1039 215:52 216:6907 217:3466 218:1529 219:595 220:2164 221:1252 222:1005 223:2937 End of report