IPv4 R&E Routing Table Report 21:25 GMT Wed 08 Oct, 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: 1028557 Prefixes after maximum aggregation (per Origin AS): 391702 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 496666 Number of IPv4 prefixes with a valid ROA: 586759 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 441779 Total ASes present in the Internet Routing Table: 77515 Prefixes per ASN: 13.27 Origin-only ASes present in the Internet Routing Table: 66342 Origin ASes announcing only one prefix: 27026 Transit ASes present in the Internet Routing Table: 11173 Transit-only ASes present in the Internet Routing Table: 570 Paths with bogon ASNs present in the IPv4 Routing Table: 48 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 52 Max AS path prepend of ASN ( 59958) 48 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 47637 Number of 32-bit ASNs visible in the Routing Table: 39134 Prefixes from 32-bit ASNs in the Routing Table: 215225 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: 338 Number of addresses announced to Internet: 3116309953 Equivalent to 185 /8s, 191 /16s and 29 /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: 333573 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281349 Total APNIC prefixes after maximum aggregation: 80616 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 271416 Unique aggregates announced from the APNIC address blocks: 106215 APNIC Region origin ASes present in the Internet Routing Table: 14920 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 4529 APNIC Region transit ASes present in the Internet Routing Table: 2012 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 42 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10410 Number of APNIC addresses announced to Internet: 756457792 Equivalent to 45 /8s, 22 /16s and 161 /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: 298906 Total ARIN prefixes after maximum aggregation: 134431 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 300162 Unique aggregates announced from the ARIN address blocks: 143488 ARIN Region origin ASes present in the Internet Routing Table: 19324 ARIN Prefixes per ASN: 15.53 ARIN Region origin ASes announcing only one prefix: 7089 ARIN Region transit ASes present in the Internet Routing Table: 1990 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: 5350 Number of ARIN addresses announced to Internet: 1352466688 Equivalent to 80 /8s, 157 /16s and 1 /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: 284331 Total RIPE prefixes after maximum aggregation: 138752 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 283909 Unique aggregates announced from the RIPE address blocks: 180886 RIPE Region origin ASes present in the Internet Routing Table: 29096 RIPE Prefixes per ASN: 9.76 RIPE Region origin ASes announcing only one prefix: 12075 RIPE Region transit ASes present in the Internet Routing Table: 4045 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12768 Number of RIPE addresses announced to Internet: 732696705 Equivalent to 43 /8s, 172 /16s and 16 /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: 126948 Total LACNIC prefixes after maximum aggregation: 30322 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 123044 Unique aggregates announced from the LACNIC address blocks: 49433 LACNIC Region origin ASes present in the Internet Routing Table: 11308 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2536 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9278 Number of LACNIC addresses announced to Internet: 170708736 Equivalent to 10 /8s, 44 /16s and 207 /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: 35981 Total AfriNIC prefixes after maximum aggregation: 6887 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 49688 Unique aggregates announced from the AfriNIC address blocks: 16338 AfriNIC Region origin ASes present in the Internet Routing Table: 1962 AfriNIC Prefixes per ASN: 25.33 AfriNIC Region origin ASes announcing only one prefix: 688 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1328 Number of AfriNIC addresses announced to Internet: 103771136 Equivalent to 6 /8s, 47 /16s and 108 /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 13815 8889 172 CHINAMOBILE-CN China Mobile Communication 7545 6172 834 594 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4875 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4571 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4470 536 312 BBIL-AP BHARTI Airtel Ltd., IN 45899 4398 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3976 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3711 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3259 848 232 CMNET-JIANGSU-AP China Mobile communicati 24560 2919 861 508 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 14328 40994 5385 AMAZON-02, US 174 4804 8767 805 COGENT-174, US 11492 4754 321 796 CABLEONE, US 22773 4018 3051 357 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3684 1320 82 SHAW, CA 396982 3271 4824 463 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3105 241 1728 USDA-1, US 16625 2903 1236 2166 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 7422 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 3945 371 2232 M247, RO 20940 3933 3395 139 AKAMAI-ASN1, NL 12389 3140 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2480 177 1797 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 5384 2396 585 28 EMIRATES-INTERNET Emirates Internet, AE 203020 2035 223 1003 HOSTROYALE, IN 8452 1653 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 12364 3282 574 UNINET, MX 10620 3478 468 1088 Telmex Colombia S.A., CO 13999 2543 511 346 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1236 278 31 Techtel LMDS Comunicaciones Interactivas 6147 1179 371 23 Telefonica del Peru S.A.A., PE 22884 1068 68 347 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1009 2486 56 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 1765 600 27 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 24863 1249 389 20 LINKdotNET-AS, EG 29571 1190 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 958 523 47 Vodafone-, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 571 82 3 KENET-AS, KE 15399 549 57 59 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 14328 40994 5385 AMAZON-02, US 9808 13815 8889 172 CHINAMOBILE-CN China Mobile Communication 8151 12364 3282 574 UNINET, MX 12479 7422 1711 149 UNI2-AS, ES 7545 6172 834 594 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4875 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4833 298 66 ALJAWWALSTC-AS, SA 174 4804 8767 805 COGENT-174, US 11492 4754 321 796 CABLEONE, US 18403 4571 347 26 FPT-AS-AP 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 13815 13643 CHINAMOBILE-CN China Mobile Communications Grou 8151 12364 11790 UNINET, MX 12479 7422 7273 UNI2-AS, ES 7545 6172 5578 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4875 4800 ERX-CERNET-BKB China Education and Research Net 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4571 4545 FPT-AS-AP FPT Telecom Company, VN 45899 4398 4343 VNPT-AS-VN VNPT Corp, VN 9498 4470 4158 BBIL-AP BHARTI Airtel Ltd., IN 174 4804 3999 COGENT-174, US 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 210537 UNALLOCATED 5.83.148.0/24 215828 TMW-GLOBAL-NETWORKS TMW 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 23.146.200.0/24 Origin: 7029 WINDSTREAM, US 23.146.200.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /11:93 /12:301 /13:584 /14:1208 /15:2149 /16:13922 /17:8448 /18:14280 /19:25498 /20:46340 /21:53418 /22:114604 /23:107607 /24:639275 /25:143 /26:107 /27:113 /28:21 /29:64 /30:11 /31:1 /32:299 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6592 12364 UNINET, MX 12479 6386 7422 UNI2-AS, ES 11492 3567 4754 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3472 3684 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2528 4018 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2405 14328 AMAZON-02, US 30036 2294 2634 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3478 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) ---------------------------------------------- 1:2500 2:1610 3:942 4:12 5:4945 6:169 7:6 8:1563 9:6 11:172 12:1242 13:563 14:2710 15:401 16:304 17:390 18:907 20:590 21:4 22:188 23:7930 24:2698 25:2 27:2866 29:19 31:3440 32:35 33:1 34:85 35:271 36:4470 37:4591 38:10585 39:1098 40:468 41:4419 42:2067 43:2871 44:397 45:19162 46:5293 47:363 49:2064 50:2056 51:595 52:1594 54:359 55:1092 56:11 57:288 58:2385 59:1402 60:1218 61:3170 62:3103 63:1775 64:5693 65:2143 66:5023 67:3129 68:1105 69:4021 70:1044 71:642 72:2954 74:2850 75:1506 76:602 77:2771 78:1898 79:1766 80:2286 81:2131 82:3467 83:1517 84:1997 85:3528 86:1195 87:2403 88:1328 89:4541 90:816 91:8436 92:2872 93:2995 94:4298 95:4506 96:1513 97:312 98:952 99:741 100:71 101:1499 102:4344 103:32771 104:5464 105:1041 106:913 107:2668 108:1212 109:4279 110:2298 111:3832 112:2686 113:1920 114:2007 115:2406 116:2160 117:2985 118:3099 119:2107 120:2323 121:1436 122:2960 123:2498 124:1814 125:2938 126:125 128:1623 129:979 130:1351 131:2180 132:791 133:462 134:1614 135:365 136:1493 137:1268 138:2880 139:1681 140:1656 141:1542 142:2060 143:2088 144:1279 145:628 146:2198 147:2140 148:2749 149:2968 150:1287 151:2589 152:2175 153:640 154:7688 155:2100 156:3305 157:1997 158:1427 159:2607 160:3641 161:2004 162:3966 163:2304 164:1961 165:2567 166:1566 167:2113 168:3901 169:784 170:5429 171:1035 172:4460 173:3418 174:909 175:1384 176:3832 177:4909 178:4288 179:2347 180:2692 181:4287 182:3756 183:2557 184:2094 185:21765 186:5453 187:4764 188:4345 189:4439 190:9752 191:1608 192:11437 193:9499 194:7947 195:5769 196:3304 197:3354 198:6115 199:8784 200:8270 201:6414 202:11054 203:10866 204:4578 205:3647 206:4495 207:3606 208:4307 209:5345 210:5132 211:2910 212:4870 213:3908 214:952 215:52 216:6964 217:3485 218:1633 219:615 220:2198 221:1239 222:1005 223:3077 End of report