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 05 Jul, 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: 1023013 Prefixes after maximum aggregation (per Origin AS): 383295 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 485925 Number of IPv4 prefixes with a valid ROA: 572761 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 450233 Total ASes present in the Internet Routing Table: 77110 Prefixes per ASN: 13.27 Origin-only ASes present in the Internet Routing Table: 65960 Origin ASes announcing only one prefix: 26509 Transit ASes present in the Internet Routing Table: 11150 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 80 Max AS path prepend of ASN (133647) 73 Prefixes from unregistered ASNs in the Routing Table: 1124 Number of instances of unregistered ASNs: 1159 Number of 32-bit ASNs allocated by the RIRs: 46774 Number of 32-bit ASNs visible in the Routing Table: 38541 Prefixes from 32-bit ASNs in the Routing Table: 213600 Number of bogon 32-bit ASNs visible in the Routing Table: 84 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 315 Number of addresses announced to Internet: 3111524865 Equivalent to 185 /8s, 118 /16s and 26 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 335031 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273713 Total APNIC prefixes after maximum aggregation: 78378 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 264476 Unique aggregates announced from the APNIC address blocks: 104943 APNIC Region origin ASes present in the Internet Routing Table: 14776 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 4478 APNIC Region transit ASes present in the Internet Routing Table: 1996 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 80 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10239 Number of APNIC addresses announced to Internet: 754297152 Equivalent to 44 /8s, 245 /16s and 169 /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: 295469 Total ARIN prefixes after maximum aggregation: 131830 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 296724 Unique aggregates announced from the ARIN address blocks: 140574 ARIN Region origin ASes present in the Internet Routing Table: 19240 ARIN Prefixes per ASN: 15.42 ARIN Region origin ASes announcing only one prefix: 7024 ARIN Region transit ASes present in the Internet Routing Table: 2004 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5238 Number of ARIN addresses announced to Internet: 1349243648 Equivalent to 80 /8s, 107 /16s and 211 /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: 282567 Total RIPE prefixes after maximum aggregation: 135904 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 281571 Unique aggregates announced from the RIPE address blocks: 177082 RIPE Region origin ASes present in the Internet Routing Table: 28960 RIPE Prefixes per ASN: 9.72 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 4018 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12545 Number of RIPE addresses announced to Internet: 731463617 Equivalent to 43 /8s, 153 /16s and 63 /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: 132822 Total LACNIC prefixes after maximum aggregation: 29727 LACNIC Deaggregation factor: 4.47 Prefixes being announced from the LACNIC address blocks: 129169 Unique aggregates announced from the LACNIC address blocks: 49038 LACNIC Region origin ASes present in the Internet Routing Table: 11283 LACNIC Prefixes per ASN: 11.45 LACNIC Region origin ASes announcing only one prefix: 2352 LACNIC Region transit ASes present in the Internet Routing Table: 2544 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9234 Number of LACNIC addresses announced to Internet: 171203584 Equivalent to 10 /8s, 52 /16s and 92 /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: 37318 Total AfriNIC prefixes after maximum aggregation: 6738 AfriNIC Deaggregation factor: 5.54 Prefixes being announced from the AfriNIC address blocks: 50758 Unique aggregates announced from the AfriNIC address blocks: 13999 AfriNIC Region origin ASes present in the Internet Routing Table: 1921 AfriNIC Prefixes per ASN: 26.42 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285 Number of AfriNIC addresses announced to Internet: 105114624 Equivalent to 6 /8s, 67 /16s and 236 /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 11711 8919 170 CHINAMOBILE-CN China Mobile Communication 7545 6135 839 613 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4886 4192 75 ERX-CERNET-BKB China Education and Resear 45899 4377 1874 55 VNPT-AS-VN VNPT Corp, VN 18403 4373 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4356 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3949 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2564 832 219 CMNET-JIANGSU-AP China Mobile communicati 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 13601 40952 5239 AMAZON-02, US 174 5270 8767 862 COGENT-174, US 11492 4781 317 604 CABLEONE, US 7155 3871 287 89 VIASAT-SP-BACKBONE, US 6327 3638 1320 82 SHAW, CA 22773 3338 3016 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US 16625 2980 1249 2214 AKAMAI-AS, US 4155 2838 215 1724 USDA-1, 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 7655 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3970 3396 140 AKAMAI-ASN1, NL 9009 3781 351 2107 M247, RO 12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2403 361 583 TELLCOM-AS, TR 5384 2383 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2354 168 1722 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1574 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 12309 3259 573 UNINET, MX 10620 3509 481 1020 Telmex Colombia S.A., CO 13999 2538 538 356 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1369 2435 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1157 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1064 68 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1023 373 162 Axtel, S.A.B. de C.V., MX 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 660 28 RAYA-AS, EG 24863 1621 389 17 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1431 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1075 1100 18 MOBINIL, EG 36935 1061 520 44 Vodafone-, EG 20011 603 168 245 INTERNET-SOLUTIONS, ZA 36914 578 82 3 KENET-AS, KE 15399 541 57 60 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 13601 40952 5239 AMAZON-02, US 8151 12309 3259 573 UNINET, MX 9808 11711 8919 170 CHINAMOBILE-CN China Mobile Communication 12479 7655 1713 148 UNI2-AS, ES 7545 6135 839 613 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5270 8767 862 COGENT-174, US 4538 4886 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 45899 4377 1874 55 VNPT-AS-VN VNPT Corp, 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 8151 12309 11736 UNINET, MX 9808 11711 11541 CHINAMOBILE-CN China Mobile Communications Grou 12479 7655 7507 UNI2-AS, ES 7545 6135 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4886 4811 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 174 5270 4408 COGENT-174, US 18403 4373 4348 FPT-AS-AP FPT Telecom Company, VN 45899 4377 4322 VNPT-AS-VN VNPT Corp, VN 11492 4781 4177 CABLEONE, 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /10:41 /11:92 /12:299 /13:586 /14:1215 /15:2173 /16:13909 /17:8514 /18:14396 /19:25439 /20:46286 /21:53803 /22:114893 /23:109243 /24:631351 /25:131 /26:111 /27:99 /28:19 /29:75 /30:8 /31:0 /32:300 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6578 7655 UNI2-AS, ES 8151 6493 12309 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3638 SHAW, CA 7155 2829 3871 VIASAT-SP-BACKBONE, US 22773 2491 3338 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2345 13601 AMAZON-02, US 30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2196 3509 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) ---------------------------------------------- 1:2444 2:1610 3:826 4:12 5:5147 6:162 7:6 8:1604 9:1 11:172 12:1345 13:452 14:2612 15:364 16:285 17:385 18:895 20:582 21:4 22:188 23:7717 24:2820 25:2 27:2845 29:19 31:3454 32:47 33:1 34:84 35:259 36:3292 37:4631 38:10526 39:916 40:232 41:4473 42:1918 43:2767 44:378 45:19540 46:5244 47:344 49:1848 50:1896 51:592 52:1556 54:321 55:1101 56:11 57:277 58:2298 59:1368 60:1205 61:3172 62:3038 63:1813 64:5580 65:2199 66:4792 67:3130 68:1101 69:4034 70:1057 71:626 72:2952 74:2819 75:1524 76:607 77:2870 78:1897 79:1754 80:2243 81:2105 82:3197 83:1511 84:1888 85:3469 86:1182 87:2415 88:1372 89:4457 90:777 91:8517 92:2822 93:2978 94:4174 95:4425 96:1501 97:311 98:959 99:692 100:72 101:1442 102:4285 103:32844 104:5233 105:1186 106:988 107:2639 108:1275 109:4236 110:2292 111:3305 112:2215 113:1897 114:1991 115:2281 116:2149 117:2604 118:3023 119:2029 120:2168 121:1406 122:2937 123:2702 124:1767 125:2928 126:91 128:1684 129:977 130:1332 131:2128 132:790 133:450 134:1578 135:392 136:1390 137:1269 138:3017 139:1664 140:1652 141:1513 142:1922 143:1995 144:1169 145:562 146:2198 147:2111 148:2717 149:3025 150:1285 151:2194 152:2110 153:590 154:8083 155:1792 156:3228 157:1938 158:1335 159:2510 160:3698 161:1904 162:3892 163:2241 164:1897 165:2101 166:1511 167:2030 168:4170 169:789 170:5392 171:1020 172:4430 173:3390 174:920 175:1347 176:3817 177:5413 178:4014 179:2487 180:2678 181:4254 182:3524 183:2226 184:2120 185:21915 186:5545 187:4928 188:4441 189:4564 190:9863 191:1594 192:11352 193:9546 194:7978 195:5792 196:3419 197:3418 198:6127 199:8585 200:8673 201:6523 202:10970 203:10957 204:4589 205:3639 206:4537 207:3557 208:4299 209:5163 210:4985 211:2778 212:4661 213:3855 214:1012 215:46 216:6835 217:3399 218:1433 219:610 220:2145 221:1156 222:966 223:2608 End of report