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 29 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: 997740 Prefixes after maximum aggregation (per Origin AS): 375880 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 476721 Number of IPv4 prefixes with a valid ROA: 546111 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 451610 Total ASes present in the Internet Routing Table: 76805 Prefixes per ASN: 12.99 Origin-only ASes present in the Internet Routing Table: 65703 Origin ASes announcing only one prefix: 26847 Transit ASes present in the Internet Routing Table: 11102 Transit-only ASes present in the Internet Routing Table: 565 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 63 Prefixes from unregistered ASNs in the Routing Table: 1012 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 46117 Number of 32-bit ASNs visible in the Routing Table: 38039 Prefixes from 32-bit ASNs in the Routing Table: 201953 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: 333 Number of addresses announced to Internet: 3113103232 Equivalent to 185 /8s, 142 /16s and 47 /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: 325445 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 267044 Total APNIC prefixes after maximum aggregation: 77119 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 258785 Unique aggregates announced from the APNIC address blocks: 102905 APNIC Region origin ASes present in the Internet Routing Table: 14634 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 4452 APNIC Region transit ASes present in the Internet Routing Table: 2000 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 59 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10078 Number of APNIC addresses announced to Internet: 754138432 Equivalent to 44 /8s, 243 /16s and 61 /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: 292357 Total ARIN prefixes after maximum aggregation: 128858 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 292884 Unique aggregates announced from the ARIN address blocks: 137284 ARIN Region origin ASes present in the Internet Routing Table: 19244 ARIN Prefixes per ASN: 15.22 ARIN Region origin ASes announcing only one prefix: 7034 ARIN Region transit ASes present in the Internet Routing Table: 1982 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: 5170 Number of ARIN addresses announced to Internet: 1349990400 Equivalent to 80 /8s, 119 /16s and 56 /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: 276835 Total RIPE prefixes after maximum aggregation: 133202 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 275155 Unique aggregates announced from the RIPE address blocks: 173860 RIPE Region origin ASes present in the Internet Routing Table: 28874 RIPE Prefixes per ASN: 9.53 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 4014 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12349 Number of RIPE addresses announced to Internet: 732303360 Equivalent to 43 /8s, 166 /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: 124215 Total LACNIC prefixes after maximum aggregation: 29335 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120764 Unique aggregates announced from the LACNIC address blocks: 48803 LACNIC Region origin ASes present in the Internet Routing Table: 11219 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2656 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: 9173 Number of LACNIC addresses announced to Internet: 171565632 Equivalent to 10 /8s, 57 /16s and 226 /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: 36277 Total AfriNIC prefixes after maximum aggregation: 6737 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 49819 Unique aggregates announced from the AfriNIC address blocks: 13582 AfriNIC Region origin ASes present in the Internet Routing Table: 1902 AfriNIC Prefixes per ASN: 26.19 AfriNIC Region origin ASes announcing only one prefix: 677 AfriNIC Region transit ASes present in the Internet Routing Table: 387 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: 1269 Number of AfriNIC addresses announced to Internet: 104924160 Equivalent to 6 /8s, 65 /16s and 4 /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 10400 8913 147 CHINAMOBILE-CN China Mobile Communication 7545 6211 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4192 76 ERX-CERNET-BKB China Education and Resear 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4217 530 274 BBIL-AP BHARTI Airtel Ltd., IN 45899 4171 1874 56 VNPT-AS-VN VNPT Corp, VN 7552 3944 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2844 849 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2196 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 12959 39645 3982 AMAZON-02, US 174 5481 8767 971 COGENT-174, US 11492 4676 310 586 CABLEONE, US 7155 4187 287 87 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3380 3033 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 3017 1266 2217 AKAMAI-AS, US 396982 2944 3648 458 GOOGLE-CLOUD-PLATFORM, US 36352 2584 213 796 AS-COLOCROSSING, 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 7722 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3937 3396 142 AKAMAI-ASN1, NL 9009 3773 326 1963 M247, RO 12389 3039 2303 888 ROSTELECOM-AS, RU 5384 2427 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2365 360 583 TELLCOM-AS, TR 212238 2070 147 1527 CDNEXT, GB 8452 1615 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 11900 3243 582 UNINET, MX 10620 3522 486 971 Telmex Colombia S.A., CO 13999 2509 539 367 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1194 371 22 Telefonica del Peru S.A.A., PE 11664 1070 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1054 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1049 374 163 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 1703 599 30 RAYA-AS, EG 24863 1620 389 18 LINKdotNET-AS, EG 29571 1567 102 23 ORANGE-COTE-IVOIRE, CI 36992 1428 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 910 1084 18 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 550 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 12959 39645 3982 AMAZON-02, US 8151 11900 3243 582 UNINET, MX 9808 10400 8913 147 CHINAMOBILE-CN China Mobile Communication 12479 7722 1714 145 UNI2-AS, ES 7545 6211 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5481 8767 971 COGENT-174, US 4538 4852 4192 76 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4676 310 586 CABLEONE, US 18403 4222 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 11900 11318 UNINET, MX 9808 10400 10253 CHINAMOBILE-CN China Mobile Communications Grou 12479 7722 7577 UNI2-AS, ES 7545 6211 5561 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4776 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5481 4510 COGENT-174, US 18403 4222 4197 FPT-AS-AP FPT Telecom Company, VN 45899 4171 4115 VNPT-AS-VN VNPT Corp, VN 7155 4187 4100 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 212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US 23.158.216.0/24 Origin: 204535 PIGGYTARO-DATA, CA 23.158.216.0/24 Transit: 22427 GNET-AS, 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 /10:41 /11:93 /12:303 /13:585 /14:1232 /15:2187 /16:14076 /17:8531 /18:14535 /19:25293 /20:45616 /21:53052 /22:113786 /23:103949 /24:613716 /25:114 /26:107 /27:101 /28:18 /29:75 /30:10 /31:0 /32:288 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6654 7722 UNI2-AS, ES 8151 6100 11900 UNINET, MX 11492 3529 4676 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3133 4187 VIASAT-SP-BACKBONE, US 22773 2516 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2332 12959 AMAZON-02, US 30036 2219 2560 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 3522 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) ---------------------------------------------- 1:2381 2:1654 3:601 4:12 5:4655 6:163 7:6 8:1567 9:1 11:172 12:1372 13:353 14:2573 15:351 16:279 17:366 18:913 20:477 21:4 22:188 23:7341 24:3024 25:2 27:2798 29:19 31:3304 32:41 34:84 35:206 36:2423 37:4747 38:10160 39:906 40:154 41:4324 42:1934 43:2672 44:359 45:18629 46:5008 47:309 49:2001 50:1898 51:590 52:1555 54:301 55:1089 56:11 57:253 58:2304 59:1295 60:1199 61:2964 62:2948 63:1838 64:5496 65:2185 66:4615 67:3021 68:1119 69:3973 70:1109 71:622 72:2847 74:2808 75:1660 76:612 77:2708 78:1861 79:1738 80:2234 81:2032 82:3003 83:1456 84:1830 85:3376 86:1143 87:2421 88:1283 89:4334 90:780 91:8344 92:2859 93:2877 94:4163 95:4297 96:1426 97:313 98:992 99:740 100:71 101:1413 102:3875 103:32592 104:4811 105:1178 106:998 107:2596 108:1210 109:4126 110:2269 111:3352 112:2065 113:1849 114:1972 115:2216 116:2065 117:2785 118:2890 119:2013 120:1943 121:1439 122:2882 123:2224 124:1707 125:2910 126:88 128:1646 129:978 130:1296 131:1906 132:774 133:451 134:1532 135:330 136:1282 137:1245 138:2896 139:1695 140:1580 141:1486 142:1825 143:1653 144:1049 145:515 146:2167 147:2103 148:2630 149:2976 150:1257 151:2048 152:2108 153:571 154:8145 155:1621 156:3291 157:1897 158:1268 159:2434 160:3571 161:1940 162:3719 163:1980 164:1700 165:2209 166:1429 167:1889 168:4064 169:802 170:5086 171:1013 172:4463 173:3235 174:910 175:1319 176:3710 177:4820 178:3830 179:2326 180:2664 181:4069 182:3404 183:2046 184:2292 185:21599 186:5160 187:4416 188:4214 189:4209 190:9650 191:1532 192:11205 193:9448 194:7934 195:5660 196:3300 197:3790 198:6116 199:8432 200:8197 201:6309 202:10951 203:10836 204:4533 205:3641 206:4635 207:3483 208:4211 209:5193 210:4887 211:2722 212:4546 213:3776 214:1046 215:48 216:6589 217:3269 218:1392 219:577 220:2088 221:1073 222:970 223:2340 End of report