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 15 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: 995374 Prefixes after maximum aggregation (per Origin AS): 375238 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 476425 Number of IPv4 prefixes with a valid ROA: 543681 Number of IPv4 prefixes with an invalid ROA: 27 Number of IPv4 prefixes with no ROA: 451666 Total ASes present in the Internet Routing Table: 76774 Prefixes per ASN: 12.96 Origin-only ASes present in the Internet Routing Table: 65679 Origin ASes announcing only one prefix: 26838 Transit ASes present in the Internet Routing Table: 11095 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 68 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: 1027 Number of instances of unregistered ASNs: 1034 Number of 32-bit ASNs allocated by the RIRs: 46121 Number of 32-bit ASNs visible in the Routing Table: 37992 Prefixes from 32-bit ASNs in the Routing Table: 201490 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 386 Number of addresses announced to Internet: 3116150144 Equivalent to 185 /8s, 188 /16s and 173 /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: 324302 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 266589 Total APNIC prefixes after maximum aggregation: 77062 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 258360 Unique aggregates announced from the APNIC address blocks: 102944 APNIC Region origin ASes present in the Internet Routing Table: 14636 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 4440 APNIC Region transit ASes present in the Internet Routing Table: 2003 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10072 Number of APNIC addresses announced to Internet: 754644288 Equivalent to 44 /8s, 250 /16s and 245 /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: 291572 Total ARIN prefixes after maximum aggregation: 128562 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 292329 Unique aggregates announced from the ARIN address blocks: 136613 ARIN Region origin ASes present in the Internet Routing Table: 19216 ARIN Prefixes per ASN: 15.21 ARIN Region origin ASes announcing only one prefix: 7018 ARIN Region transit ASes present in the Internet Routing Table: 1985 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5159 Number of ARIN addresses announced to Internet: 1352590080 Equivalent to 80 /8s, 158 /16s and 227 /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: 276366 Total RIPE prefixes after maximum aggregation: 132885 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 274422 Unique aggregates announced from the RIPE address blocks: 173316 RIPE Region origin ASes present in the Internet Routing Table: 28881 RIPE Prefixes per ASN: 9.50 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 4014 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12329 Number of RIPE addresses announced to Internet: 732274944 Equivalent to 43 /8s, 165 /16s and 161 /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: 123743 Total LACNIC prefixes after maximum aggregation: 29293 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120413 Unique aggregates announced from the LACNIC address blocks: 48827 LACNIC Region origin ASes present in the Internet Routing Table: 11203 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2512 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: 9164 Number of LACNIC addresses announced to Internet: 171513920 Equivalent to 10 /8s, 57 /16s and 24 /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: 36077 Total AfriNIC prefixes after maximum aggregation: 6795 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 49464 Unique aggregates announced from the AfriNIC address blocks: 14418 AfriNIC Region origin ASes present in the Internet Routing Table: 1902 AfriNIC Prefixes per ASN: 26.01 AfriNIC Region origin ASes announcing only one prefix: 679 AfriNIC Region transit ASes present in the Internet Routing Table: 383 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: 1268 Number of AfriNIC addresses announced to Internet: 104930560 Equivalent to 6 /8s, 65 /16s and 29 /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 10416 8913 145 CHINAMOBILE-CN China Mobile Communication 7545 6199 843 648 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4841 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4380 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 45899 4178 1874 56 VNPT-AS-VN VNPT Corp, VN 7552 3940 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2838 848 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2198 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 12923 39642 3972 AMAZON-02, US 174 5528 8766 951 COGENT-174, US 11492 4675 310 585 CABLEONE, US 7155 4188 287 87 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3380 3033 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2980 1257 2188 AKAMAI-AS, US 396982 2941 3660 454 GOOGLE-CLOUD-PLATFORM, US 30036 2547 350 414 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 7755 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3940 3396 142 AKAMAI-ASN1, NL 9009 3758 322 1943 M247, RO 12389 2987 2303 890 ROSTELECOM-AS, RU 5384 2444 585 30 EMIRATES-INTERNET Emirates Internet, AE 34984 2369 361 582 TELLCOM-AS, TR 212238 2041 147 1506 CDNEXT, GB 8452 1607 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 11820 3240 583 UNINET, MX 10620 3524 487 971 Telmex Colombia S.A., CO 13999 2507 539 368 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1194 371 22 Telefonica del Peru S.A.A., PE 6503 1070 359 174 Axtel, S.A.B. de C.V., MX 11664 1063 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1052 67 378 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 1562 103 64 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 855 1083 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 547 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 12923 39642 3972 AMAZON-02, US 8151 11820 3240 583 UNINET, MX 9808 10416 8913 145 CHINAMOBILE-CN China Mobile Communication 12479 7755 1714 145 UNI2-AS, ES 7545 6199 843 648 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5528 8766 951 COGENT-174, US 4538 4841 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4675 310 585 CABLEONE, US 18403 4380 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 11820 11237 UNINET, MX 9808 10416 10271 CHINAMOBILE-CN China Mobile Communications Grou 12479 7755 7610 UNI2-AS, ES 7545 6199 5551 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4841 4766 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5528 4577 COGENT-174, US 18403 4380 4355 FPT-AS-AP FPT Telecom Company, VN 45899 4178 4122 VNPT-AS-VN VNPT Corp, VN 7155 4188 4101 VIASAT-SP-BACKBONE, 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 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 23.136.12.0/24 Origin: 393772 THE-WRAPPER-COMPANY, ZZ 23.136.12.0/24 Transit: 20473 AS-VULTR, US 23.138.40.0/22 Origin: 964 IONSWITCH-NW, US 23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US 23.138.41.0/24 Origin: 964 IONSWITCH-NW, US 23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, 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 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 /14:1229 /15:2188 /16:14066 /17:8505 /18:14507 /19:25222 /20:45635 /21:52991 /22:113554 /23:103609 /24:612101 /25:110 /26:107 /27:102 /28:21 /29:73 /30:10 /31:0 /32:286 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6693 7755 UNI2-AS, ES 8151 6025 11820 UNINET, MX 11492 3528 4675 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3134 4188 VIASAT-SP-BACKBONE, US 22773 2517 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2337 12923 AMAZON-02, US 30036 2208 2547 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3524 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) ---------------------------------------------- 1:2398 2:1653 3:593 4:12 5:4642 6:162 7:6 8:1565 9:1 11:172 12:1375 13:348 14:2569 15:350 16:279 17:367 18:920 20:474 21:4 22:188 23:7322 24:3023 25:2 27:2779 29:19 31:3283 32:37 34:83 35:206 36:2426 37:4666 38:10184 39:907 40:154 41:4355 42:1981 43:2664 44:358 45:18535 46:5104 47:308 49:2001 50:1886 51:590 52:1556 54:301 55:1068 56:9 57:250 58:2299 59:1284 60:1193 61:2900 62:2930 63:1834 64:5505 65:2171 66:4633 67:3008 68:1114 69:3950 70:1110 71:614 72:2859 74:2785 75:1654 76:611 77:2693 78:1858 79:1745 80:2233 81:2029 82:2797 83:1434 84:1823 85:3370 86:1134 87:2430 88:1287 89:4334 90:784 91:8349 92:2856 93:2893 94:4024 95:4265 96:1415 97:317 98:984 99:738 100:71 101:1405 102:3784 103:32623 104:4817 105:1163 106:1004 107:2603 108:1208 109:4163 110:2238 111:3343 112:2061 113:1850 114:1954 115:2212 116:2070 117:2804 118:2914 119:1981 120:1948 121:1442 122:2769 123:2223 124:1700 125:2929 126:88 128:1637 129:983 130:1293 131:1880 132:783 133:450 134:1534 135:329 136:1285 137:1247 138:2897 139:1679 140:1570 141:1484 142:1817 143:1648 144:1051 145:480 146:2162 147:2097 148:2599 149:2972 150:1250 151:2121 152:2106 153:571 154:8112 155:1631 156:3288 157:1908 158:1271 159:2433 160:3561 161:1949 162:3688 163:1923 164:1703 165:2188 166:1404 167:1882 168:4088 169:796 170:5116 171:1012 172:4436 173:3228 174:910 175:1312 176:3689 177:4814 178:3823 179:2302 180:2656 181:4032 182:3399 183:2084 184:2295 185:21591 186:5112 187:4402 188:4227 189:4180 190:9652 191:1483 192:11187 193:9441 194:7910 195:5643 196:3272 197:3756 198:6118 199:8385 200:8173 201:6305 202:10939 203:10818 204:4509 205:3635 206:4612 207:3483 208:4201 209:5157 210:4885 211:2724 212:4557 213:3740 214:1054 215:42 216:6591 217:3270 218:1390 219:576 220:2106 221:1057 222:970 223:2342 End of report