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 26 Apr, 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: 1002062 Prefixes after maximum aggregation (per Origin AS): 377866 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 478825 Number of IPv4 prefixes with a valid ROA: 551677 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 450365 Total ASes present in the Internet Routing Table: 76927 Prefixes per ASN: 13.03 Origin-only ASes present in the Internet Routing Table: 65888 Origin ASes announcing only one prefix: 26885 Transit ASes present in the Internet Routing Table: 11039 Transit-only ASes present in the Internet Routing Table: 547 Paths with bogon ASNs present in the IPv4 Routing Table: 50 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: 1063 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 46285 Number of 32-bit ASNs visible in the Routing Table: 38210 Prefixes from 32-bit ASNs in the Routing Table: 204606 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 350 Number of addresses announced to Internet: 3111663360 Equivalent to 185 /8s, 120 /16s and 55 /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: 326733 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 268797 Total APNIC prefixes after maximum aggregation: 77518 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 260275 Unique aggregates announced from the APNIC address blocks: 103348 APNIC Region origin ASes present in the Internet Routing Table: 14714 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 4468 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: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10161 Number of APNIC addresses announced to Internet: 753964864 Equivalent to 44 /8s, 240 /16s and 151 /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: 292624 Total ARIN prefixes after maximum aggregation: 129599 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 293652 Unique aggregates announced from the ARIN address blocks: 138587 ARIN Region origin ASes present in the Internet Routing Table: 19249 ARIN Prefixes per ASN: 15.26 ARIN Region origin ASes announcing only one prefix: 7041 ARIN Region transit ASes present in the Internet Routing Table: 1989 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5198 Number of ARIN addresses announced to Internet: 1348928000 Equivalent to 80 /8s, 103 /16s and 2 /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: 277505 Total RIPE prefixes after maximum aggregation: 133919 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 275329 Unique aggregates announced from the RIPE address blocks: 173946 RIPE Region origin ASes present in the Internet Routing Table: 28924 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3988 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: 12415 Number of RIPE addresses announced to Internet: 731772032 Equivalent to 43 /8s, 157 /16s and 244 /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: 125617 Total LACNIC prefixes after maximum aggregation: 29431 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 122148 Unique aggregates announced from the LACNIC address blocks: 48761 LACNIC Region origin ASes present in the Internet Routing Table: 11220 LACNIC Prefixes per ASN: 10.89 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2468 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9166 Number of LACNIC addresses announced to Internet: 171738688 Equivalent to 10 /8s, 60 /16s and 134 /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: 36456 Total AfriNIC prefixes after maximum aggregation: 6769 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 50308 Unique aggregates announced from the AfriNIC address blocks: 13906 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 26.39 AfriNIC Region origin ASes announcing only one prefix: 668 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 105082624 Equivalent to 6 /8s, 67 /16s and 111 /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 10458 8913 151 CHINAMOBILE-CN China Mobile Communication 7545 6209 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4850 4192 75 ERX-CERNET-BKB China Education and Resear 45899 4357 1874 55 VNPT-AS-VN VNPT Corp, VN 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4236 531 277 BBIL-AP BHARTI Airtel Ltd., IN 7552 3948 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3676 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2198 1439 87 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 13254 39703 4093 AMAZON-02, US 174 5583 8756 925 COGENT-174, US 11492 4701 312 586 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3393 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2999 1257 2215 AKAMAI-AS, US 396982 2965 3651 473 GOOGLE-CLOUD-PLATFORM, US 36352 2735 225 835 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 3964 3395 139 AKAMAI-ASN1, NL 9009 3776 326 1966 M247, RO 12389 3073 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2417 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2362 360 584 TELLCOM-AS, TR 212238 2105 149 1546 CDNEXT, GB 8452 1640 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 11973 3243 595 UNINET, MX 10620 3516 485 994 Telmex Colombia S.A., CO 13999 2508 539 364 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1190 371 21 Telefonica del Peru S.A.A., PE 11664 1097 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1055 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1027 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 1743 607 31 RAYA-AS, EG 24863 1653 389 18 LINKdotNET-AS, EG 29571 1589 102 22 ORANGE-COTE-IVOIRE, CI 36992 1433 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1020 521 42 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 928 1099 15 MOBINIL, EG 36914 550 82 3 KENET-AS, KE 37457 535 316 30 Telkom-Internet, ZA 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 13254 39703 4093 AMAZON-02, US 8151 11973 3243 595 UNINET, MX 9808 10458 8913 151 CHINAMOBILE-CN China Mobile Communication 12479 7722 1714 145 UNI2-AS, ES 7545 6209 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5583 8756 925 COGENT-174, US 4538 4850 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4701 312 586 CABLEONE, US 45899 4357 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 11973 11378 UNINET, MX 9808 10458 10307 CHINAMOBILE-CN China Mobile Communications Grou 12479 7722 7577 UNI2-AS, ES 7545 6209 5558 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4850 4775 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5583 4658 COGENT-174, US 45899 4357 4302 VNPT-AS-VN VNPT Corp, VN 18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN 11492 4701 4115 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 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 23.140.216.0/24 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 RESERVED, ZZ 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 /12:301 /13:584 /14:1228 /15:2181 /16:14038 /17:8516 /18:14528 /19:25407 /20:45529 /21:53046 /22:113953 /23:104916 /24:616947 /25:113 /26:107 /27:101 /28:18 /29:75 /30:10 /31:0 /32:298 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6643 7722 UNI2-AS, ES 8151 6178 11973 UNINET, MX 11492 3531 4701 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2532 3393 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2359 13254 AMAZON-02, US 30036 2225 2565 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2182 3516 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) ---------------------------------------------- 1:2395 2:1655 3:624 4:11 5:4727 6:163 7:6 8:1572 9:1 11:172 12:1372 13:351 14:2574 15:352 16:282 17:372 18:920 20:526 21:4 22:188 23:7505 24:2810 25:2 27:2809 29:19 31:3297 32:40 34:84 35:209 36:2424 37:4706 38:10221 39:914 40:166 41:4329 42:1925 43:2689 44:378 45:18782 46:5104 47:314 49:1950 50:1897 51:590 52:1557 54:298 55:1086 56:11 57:259 58:2312 59:1356 60:1199 61:3137 62:2956 63:1833 64:5497 65:2195 66:4656 67:3062 68:1111 69:3936 70:1061 71:624 72:2835 74:2798 75:1617 76:614 77:2737 78:1880 79:1765 80:2238 81:2051 82:3189 83:1468 84:1858 85:3414 86:1146 87:2419 88:1284 89:4333 90:787 91:8357 92:2785 93:2899 94:4188 95:4359 96:1451 97:312 98:995 99:669 100:72 101:1413 102:4065 103:32712 104:4817 105:1184 106:1049 107:2624 108:1214 109:4127 110:2276 111:3372 112:2075 113:1851 114:1980 115:2259 116:2092 117:2787 118:2933 119:2018 120:1951 121:1445 122:2897 123:2496 124:1708 125:2912 126:91 128:1648 129:972 130:1316 131:1936 132:755 133:450 134:1541 135:332 136:1310 137:1258 138:2949 139:1689 140:1595 141:1499 142:1905 143:1655 144:1068 145:514 146:2168 147:2103 148:2670 149:2975 150:1263 151:1760 152:2104 153:572 154:8442 155:1642 156:3265 157:1887 158:1290 159:2440 160:3598 161:1920 162:3758 163:2093 164:1689 165:2205 166:1451 167:1876 168:4120 169:794 170:5126 171:1018 172:4486 173:3254 174:905 175:1333 176:3686 177:4835 178:3720 179:2592 180:2682 181:4091 182:3423 183:2057 184:2122 185:21650 186:5210 187:4485 188:4229 189:4278 190:9687 191:1519 192:11293 193:9485 194:7928 195:5650 196:3313 197:3690 198:6128 199:8486 200:8250 201:6337 202:10941 203:10881 204:4529 205:3651 206:4641 207:3477 208:4255 209:5175 210:4911 211:2745 212:4576 213:3792 214:1029 215:48 216:6645 217:3307 218:1396 219:577 220:2093 221:1060 222:976 223:2372 End of report