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 01 Mar, 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: 994126 Prefixes after maximum aggregation (per Origin AS): 374177 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 475458 Number of IPv4 prefixes with a valid ROA: 541667 Number of IPv4 prefixes with an invalid ROA: 88 Number of IPv4 prefixes with no ROA: 452370 Total ASes present in the Internet Routing Table: 76757 Prefixes per ASN: 12.95 Origin-only ASes present in the Internet Routing Table: 65668 Origin ASes announcing only one prefix: 26884 Transit ASes present in the Internet Routing Table: 11089 Transit-only ASes present in the Internet Routing Table: 553 Paths with bogon ASNs present in the IPv4 Routing Table: 86 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 63 Prefixes from unregistered ASNs in the Routing Table: 974 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 46217 Number of 32-bit ASNs visible in the Routing Table: 37941 Prefixes from 32-bit ASNs in the Routing Table: 201036 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 344 Number of addresses announced to Internet: 3114814976 Equivalent to 185 /8s, 168 /16s and 78 /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: 323909 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 266410 Total APNIC prefixes after maximum aggregation: 77012 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 258278 Unique aggregates announced from the APNIC address blocks: 102839 APNIC Region origin ASes present in the Internet Routing Table: 14619 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 4445 APNIC Region transit ASes present in the Internet Routing Table: 1993 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10058 Number of APNIC addresses announced to Internet: 755179072 Equivalent to 45 /8s, 3 /16s and 30 /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: 290409 Total ARIN prefixes after maximum aggregation: 127934 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 291599 Unique aggregates announced from the ARIN address blocks: 136037 ARIN Region origin ASes present in the Internet Routing Table: 19236 ARIN Prefixes per ASN: 15.16 ARIN Region origin ASes announcing only one prefix: 7033 ARIN Region transit ASes present in the Internet Routing Table: 1997 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5168 Number of ARIN addresses announced to Internet: 1348360448 Equivalent to 80 /8s, 94 /16s and 89 /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: 276287 Total RIPE prefixes after maximum aggregation: 132586 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 273827 Unique aggregates announced from the RIPE address blocks: 172374 RIPE Region origin ASes present in the Internet Routing Table: 28874 RIPE Prefixes per ASN: 9.48 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 4012 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12299 Number of RIPE addresses announced to Internet: 732763520 Equivalent to 43 /8s, 173 /16s and 21 /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: 123953 Total LACNIC prefixes after maximum aggregation: 29227 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 120785 Unique aggregates announced from the LACNIC address blocks: 48827 LACNIC Region origin ASes present in the Internet Routing Table: 11202 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2511 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9143 Number of LACNIC addresses announced to Internet: 173781056 Equivalent to 10 /8s, 91 /16s and 176 /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: 36093 Total AfriNIC prefixes after maximum aggregation: 6802 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 49293 Unique aggregates announced from the AfriNIC address blocks: 15086 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 25.78 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 377 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104541952 Equivalent to 6 /8s, 59 /16s and 47 /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 10417 8913 145 CHINAMOBILE-CN China Mobile Communication 7545 6204 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4889 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4322 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 45899 4171 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3949 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2843 856 531 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 12817 39186 3772 AMAZON-02, US 174 5199 8762 928 COGENT-174, US 11492 4704 312 566 CABLEONE, US 7155 4189 287 87 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3374 3034 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 16625 3001 1275 2202 AKAMAI-AS, US 396982 2934 3660 452 GOOGLE-CLOUD-PLATFORM, US 30036 2580 358 337 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 7758 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3959 3396 143 AKAMAI-ASN1, NL 9009 3758 321 1929 M247, RO 12389 2988 2303 894 ROSTELECOM-AS, RU 5384 2445 585 30 EMIRATES-INTERNET Emirates Internet, AE 34984 2367 361 580 TELLCOM-AS, TR 212238 2005 145 1480 CDNEXT, GB 8452 1617 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 11784 3235 588 UNINET, MX 10620 3547 492 953 Telmex Colombia S.A., CO 13999 2513 539 370 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1350 2436 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1172 371 22 Telefonica del Peru S.A.A., PE 6503 1128 374 163 Axtel, S.A.B. de C.V., MX 11664 1074 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1051 82 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1619 389 16 LINKdotNET-AS, EG 29571 1570 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1013 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 555 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 12817 39186 3772 AMAZON-02, US 8151 11784 3235 588 UNINET, MX 9808 10417 8913 145 CHINAMOBILE-CN China Mobile Communication 12479 7758 1714 145 UNI2-AS, ES 7545 6204 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5199 8762 928 COGENT-174, US 4538 4889 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4704 312 566 CABLEONE, US 18403 4322 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 11784 11196 UNINET, MX 9808 10417 10272 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 7545 6204 5554 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4889 4814 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4322 4297 FPT-AS-AP FPT Telecom Company, VN 174 5199 4271 COGENT-174, US 11492 4704 4138 CABLEONE, US 45899 4171 4116 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 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 46639 UNALLOCATED 8.38.73.0/24 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 /12:305 /13:587 /14:1230 /15:2187 /16:14065 /17:8495 /18:14489 /19:25232 /20:45747 /21:53211 /22:113899 /23:103592 /24:610223 /25:101 /26:106 /27:102 /28:21 /29:73 /30:10 /31:0 /32:285 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6712 7758 UNI2-AS, ES 8151 5988 11784 UNINET, MX 11492 3555 4704 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3134 4189 VIASAT-SP-BACKBONE, US 22773 2510 3374 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2281 12817 AMAZON-02, US 30036 2240 2580 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2187 3547 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 2:1652 3:575 4:12 5:4624 6:167 7:6 8:1566 9:1 11:172 12:1379 13:352 14:2569 15:350 16:277 17:361 18:920 20:466 21:4 22:188 23:7323 24:2730 25:2 27:2779 29:19 31:3261 32:39 34:82 35:205 36:2432 37:4658 38:9962 39:905 40:153 41:4317 42:1985 43:2648 44:348 45:18511 46:5089 47:312 49:1992 50:1887 51:589 52:1571 54:302 55:917 56:9 57:247 58:2325 59:1278 60:1195 61:2902 62:2898 63:1836 64:5514 65:2179 66:4646 67:3042 68:1119 69:3967 70:1103 71:616 72:2874 74:2783 75:1648 76:611 77:2669 78:1857 79:1739 80:2238 81:2030 82:2710 83:1425 84:1815 85:3364 86:1130 87:2429 88:1287 89:4320 90:779 91:8341 92:2868 93:2889 94:4024 95:4262 96:1345 97:318 98:973 99:740 100:71 101:1411 102:3799 103:32669 104:4800 105:1176 106:1002 107:2599 108:1209 109:4143 110:2236 111:3332 112:2066 113:1845 114:1956 115:2217 116:2073 117:2810 118:2909 119:1984 120:1949 121:1442 122:2796 123:2225 124:1705 125:2926 126:90 128:1637 129:980 130:1291 131:1862 132:796 133:449 134:1535 135:328 136:1307 137:1247 138:2917 139:1691 140:1571 141:1479 142:1824 143:1618 144:1050 145:467 146:2149 147:2077 148:2593 149:2953 150:1241 151:1712 152:2112 153:571 154:7945 155:1606 156:3291 157:1900 158:1265 159:2440 160:3565 161:1935 162:3700 163:1867 164:1703 165:2187 166:1365 167:1879 168:4080 169:798 170:5094 171:1013 172:4432 173:3239 174:913 175:1315 176:3642 177:4779 178:3770 179:2259 180:2658 181:4026 182:3404 183:2084 184:2298 185:21569 186:5104 187:4342 188:4214 189:4224 190:9668 191:1492 192:11202 193:9428 194:7893 195:5637 196:3295 197:3767 198:6117 199:8382 200:8153 201:6295 202:10908 203:10825 204:4542 205:3641 206:4631 207:3505 208:4219 209:5165 210:4880 211:2722 212:4564 213:3764 214:1056 215:42 216:6556 217:3282 218:1399 219:577 220:2103 221:1055 222:969 223:2341 End of report