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 22 Feb, 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: 993325 Prefixes after maximum aggregation (per Origin AS): 374053 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 475739 Number of IPv4 prefixes with a valid ROA: 539756 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 453544 Total ASes present in the Internet Routing Table: 76734 Prefixes per ASN: 12.95 Origin-only ASes present in the Internet Routing Table: 65660 Origin ASes announcing only one prefix: 26862 Transit ASes present in the Internet Routing Table: 11074 Transit-only ASes present in the Internet Routing Table: 550 Paths with bogon ASNs present in the IPv4 Routing Table: 122 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 46175 Number of 32-bit ASNs visible in the Routing Table: 37888 Prefixes from 32-bit ASNs in the Routing Table: 201103 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 380 Number of addresses announced to Internet: 3118075648 Equivalent to 185 /8s, 218 /16s and 15 /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: 323596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 266196 Total APNIC prefixes after maximum aggregation: 76954 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 258255 Unique aggregates announced from the APNIC address blocks: 102899 APNIC Region origin ASes present in the Internet Routing Table: 14602 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 4448 APNIC Region transit ASes present in the Internet Routing Table: 1974 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10040 Number of APNIC addresses announced to Internet: 758688320 Equivalent to 45 /8s, 56 /16s and 170 /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: 290098 Total ARIN prefixes after maximum aggregation: 127697 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 291780 Unique aggregates announced from the ARIN address blocks: 136000 ARIN Region origin ASes present in the Internet Routing Table: 19229 ARIN Prefixes per ASN: 15.17 ARIN Region origin ASes announcing only one prefix: 7023 ARIN Region transit ASes present in the Internet Routing Table: 2007 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: 5158 Number of ARIN addresses announced to Internet: 1348554496 Equivalent to 80 /8s, 97 /16s and 79 /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: 276089 Total RIPE prefixes after maximum aggregation: 132433 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 273519 Unique aggregates announced from the RIPE address blocks: 172764 RIPE Region origin ASes present in the Internet Routing Table: 28872 RIPE Prefixes per ASN: 9.47 RIPE Region origin ASes announcing only one prefix: 12057 RIPE Region transit ASes present in the Internet Routing Table: 4001 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12289 Number of RIPE addresses announced to Internet: 732298880 Equivalent to 43 /8s, 165 /16s and 254 /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: 123828 Total LACNIC prefixes after maximum aggregation: 29479 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120664 Unique aggregates announced from the LACNIC address blocks: 48852 LACNIC Region origin ASes present in the Internet Routing Table: 11197 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2508 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9134 Number of LACNIC addresses announced to Internet: 173822272 Equivalent to 10 /8s, 92 /16s and 81 /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: 36056 Total AfriNIC prefixes after maximum aggregation: 6823 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 48727 Unique aggregates announced from the AfriNIC address blocks: 14914 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 25.51 AfriNIC Region origin ASes announcing only one prefix: 679 AfriNIC Region transit ASes present in the Internet Routing Table: 380 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104503808 Equivalent to 6 /8s, 58 /16s and 154 /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 10428 8913 145 CHINAMOBILE-CN China Mobile Communication 7545 6207 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4889 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4267 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 45899 4167 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3947 1331 26 VIETEL-AS-AP Viettel Group, VN 7713 3671 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2843 855 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2197 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12794 39190 3786 AMAZON-02, US 174 5374 8763 931 COGENT-174, US 11492 4705 312 562 CABLEONE, US 7155 4189 287 87 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 22773 3372 3033 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 16625 2959 1271 2175 AKAMAI-AS, US 396982 2929 3659 448 GOOGLE-CLOUD-PLATFORM, US 30036 2589 359 277 MEDIACOM-ENTERPRISE-BUSINESS, 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 7770 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3939 3396 143 AKAMAI-ASN1, NL 9009 3736 321 1921 M247, RO 12389 2997 2303 893 ROSTELECOM-AS, RU 5384 2445 585 30 EMIRATES-INTERNET Emirates Internet, AE 34984 2368 361 580 TELLCOM-AS, TR 212238 2017 147 1490 CDNEXT, GB 8452 1622 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 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 11767 3231 596 UNINET, MX 10620 3545 492 952 Telmex Colombia S.A., CO 13999 2515 541 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1155 371 22 Telefonica del Peru S.A.A., PE 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 22884 1049 82 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 2503 53 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 1683 599 30 RAYA-AS, EG 24863 1645 389 17 LINKdotNET-AS, EG 29571 1559 98 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 997 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 548 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 12794 39190 3786 AMAZON-02, US 8151 11767 3231 596 UNINET, MX 9808 10428 8913 145 CHINAMOBILE-CN China Mobile Communication 12479 7770 1714 145 UNI2-AS, ES 7545 6207 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5374 8763 931 COGENT-174, US 4538 4889 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 562 CABLEONE, US 18403 4267 347 25 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 8151 11767 11171 UNINET, MX 9808 10428 10283 CHINAMOBILE-CN China Mobile Communications Grou 12479 7770 7625 UNI2-AS, ES 7545 6207 5551 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4889 4814 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5374 4443 COGENT-174, US 18403 4267 4242 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4143 CABLEONE, US 45899 4167 4112 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:42 /11:92 /12:308 /13:588 /14:1229 /15:2184 /16:14042 /17:8499 /18:14470 /19:25208 /20:45729 /21:53244 /22:113856 /23:103426 /24:609678 /25:100 /26:106 /27:102 /28:22 /29:73 /30:10 /31:0 /32:285 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6723 7770 UNI2-AS, ES 8151 5971 11767 UNINET, MX 11492 3556 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3134 4189 VIASAT-SP-BACKBONE, US 22773 2510 3372 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2281 12794 AMAZON-02, US 30036 2249 2589 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3545 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) ---------------------------------------------- 1:2343 2:1656 3:571 4:12 5:4597 6:163 7:6 8:1566 9:1 11:172 12:1380 13:350 14:2567 15:347 16:273 17:361 18:917 20:462 21:4 22:188 23:7319 24:2728 25:2 27:2780 29:19 31:3229 32:39 34:82 35:204 36:2432 37:4651 38:9885 39:904 40:153 41:4302 42:1953 43:2636 44:350 45:18433 46:5054 47:312 49:1991 50:1886 51:589 52:1571 54:300 55:1092 56:9 57:247 58:2331 59:1277 60:1195 61:2904 62:2964 63:1834 64:5519 65:2200 66:4637 67:3029 68:1121 69:3977 70:1106 71:617 72:2870 74:2785 75:1647 76:611 77:2664 78:1857 79:1744 80:2249 81:2041 82:2630 83:1450 84:1804 85:3355 86:1121 87:2432 88:1285 89:4319 90:764 91:8348 92:2865 93:2859 94:4032 95:4227 96:1365 97:318 98:979 99:742 100:71 101:1409 102:3836 103:32730 104:4807 105:1114 106:995 107:2593 108:1207 109:4132 110:2234 111:3335 112:2075 113:1850 114:1955 115:2219 116:2076 117:2798 118:2913 119:1985 120:1948 121:1443 122:2794 123:2220 124:1701 125:2928 126:94 128:1654 129:975 130:1296 131:1855 132:797 133:450 134:1532 135:326 136:1331 137:1248 138:2896 139:1688 140:1578 141:1481 142:1828 143:1603 144:1055 145:466 146:2145 147:2069 148:2583 149:2954 150:1237 151:1691 152:2111 153:571 154:7854 155:1612 156:3136 157:1895 158:1252 159:2439 160:3582 161:1896 162:3703 163:1851 164:1690 165:2185 166:1356 167:1879 168:4077 169:799 170:5085 171:1013 172:4350 173:3251 174:916 175:1314 176:3639 177:4786 178:3781 179:2237 180:2664 181:4002 182:3398 183:2055 184:2290 185:21575 186:5125 187:4357 188:4227 189:4212 190:9638 191:1531 192:11199 193:9417 194:7899 195:5624 196:3299 197:3777 198:6106 199:8351 200:8166 201:6301 202:10943 203:10829 204:4537 205:3681 206:4638 207:3500 208:4220 209:5151 210:4890 211:2720 212:4567 213:3758 214:1054 215:42 216:6574 217:3275 218:1400 219:577 220:2116 221:1061 222:970 223:2340 End of report