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 05 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: 999067 Prefixes after maximum aggregation (per Origin AS): 376268 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 476552 Number of IPv4 prefixes with a valid ROA: 547741 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 451307 Total ASes present in the Internet Routing Table: 76822 Prefixes per ASN: 13.00 Origin-only ASes present in the Internet Routing Table: 65802 Origin ASes announcing only one prefix: 26849 Transit ASes present in the Internet Routing Table: 11020 Transit-only ASes present in the Internet Routing Table: 555 Paths with bogon ASNs present in the IPv4 Routing Table: 56 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: 1033 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 46163 Number of 32-bit ASNs visible in the Routing Table: 38077 Prefixes from 32-bit ASNs in the Routing Table: 203538 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 330 Number of addresses announced to Internet: 3112647168 Equivalent to 185 /8s, 135 /16s and 58 /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: 326061 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 267832 Total APNIC prefixes after maximum aggregation: 77232 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 259542 Unique aggregates announced from the APNIC address blocks: 102916 APNIC Region origin ASes present in the Internet Routing Table: 14661 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 4463 APNIC Region transit ASes present in the Internet Routing Table: 1998 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 55 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10101 Number of APNIC addresses announced to Internet: 754035776 Equivalent to 44 /8s, 241 /16s and 172 /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: 291456 Total ARIN prefixes after maximum aggregation: 128922 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 292316 Unique aggregates announced from the ARIN address blocks: 137320 ARIN Region origin ASes present in the Internet Routing Table: 19233 ARIN Prefixes per ASN: 15.20 ARIN Region origin ASes announcing only one prefix: 7033 ARIN Region transit ASes present in the Internet Routing Table: 1971 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: 5173 Number of ARIN addresses announced to Internet: 1349898240 Equivalent to 80 /8s, 117 /16s and 208 /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: 277120 Total RIPE prefixes after maximum aggregation: 133384 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 275027 Unique aggregates announced from the RIPE address blocks: 173632 RIPE Region origin ASes present in the Internet Routing Table: 28890 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3986 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: 12366 Number of RIPE addresses announced to Internet: 731917696 Equivalent to 43 /8s, 160 /16s and 45 /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: 125381 Total LACNIC prefixes after maximum aggregation: 29359 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 122034 Unique aggregates announced from the LACNIC address blocks: 48835 LACNIC Region origin ASes present in the Internet Routing Table: 11220 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2474 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: 9169 Number of LACNIC addresses announced to Internet: 171688000 Equivalent to 10 /8s, 59 /16s and 192 /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: 36245 Total AfriNIC prefixes after maximum aggregation: 6744 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 49818 Unique aggregates announced from the AfriNIC address blocks: 13575 AfriNIC Region origin ASes present in the Internet Routing Table: 1900 AfriNIC Prefixes per ASN: 26.22 AfriNIC Region origin ASes announcing only one prefix: 673 AfriNIC Region transit ASes present in the Internet Routing Table: 378 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: 1268 Number of AfriNIC addresses announced to Internet: 104926464 Equivalent to 6 /8s, 65 /16s and 13 /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 10401 8913 146 CHINAMOBILE-CN China Mobile Communication 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4851 4192 75 ERX-CERNET-BKB China Education and Resear 9498 4218 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4213 347 25 FPT-AS-AP FPT Telecom Company, VN 45899 4171 1874 55 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 2848 850 536 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 13013 39641 3951 AMAZON-02, US 174 5498 8766 960 COGENT-174, US 11492 4686 311 585 CABLEONE, US 7155 3842 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3400 3034 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 3027 1270 2224 AKAMAI-AS, US 396982 2948 3649 465 GOOGLE-CLOUD-PLATFORM, US 36352 2619 216 798 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 7713 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3950 3396 142 AKAMAI-ASN1, NL 9009 3771 326 1965 M247, RO 12389 3076 2303 895 ROSTELECOM-AS, RU 5384 2425 585 28 EMIRATES-INTERNET Emirates Internet, AE 34984 2365 360 583 TELLCOM-AS, TR 212238 2083 148 1534 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 11923 3244 585 UNINET, MX 10620 3526 487 971 Telmex Colombia S.A., CO 13999 2512 539 364 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1356 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1082 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1051 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1040 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 1631 389 16 LINKdotNET-AS, EG 29571 1571 102 22 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 981 185 285 INTERNET-SOLUTIONS, ZA 37069 915 1083 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 541 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 13013 39641 3951 AMAZON-02, US 8151 11923 3244 585 UNINET, MX 9808 10401 8913 146 CHINAMOBILE-CN China Mobile Communication 12479 7713 1714 145 UNI2-AS, ES 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5498 8766 960 COGENT-174, US 4538 4851 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4686 311 585 CABLEONE, US 9498 4218 530 274 BBIL-AP BHARTI Airtel Ltd., IN 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 11923 11338 UNINET, MX 9808 10401 10255 CHINAMOBILE-CN China Mobile Communications Grou 12479 7713 7568 UNI2-AS, ES 7545 6208 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4851 4776 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5498 4538 COGENT-174, US 18403 4213 4188 FPT-AS-AP FPT Telecom Company, VN 45899 4171 4116 VNPT-AS-VN VNPT Corp, VN 11492 4686 4101 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 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 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 /12:303 /13:583 /14:1232 /15:2184 /16:14042 /17:8522 /18:14524 /19:25277 /20:45649 /21:53173 /22:113973 /23:104684 /24:614042 /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 6638 7713 UNI2-AS, ES 8151 6126 11923 UNINET, MX 11492 3531 4686 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2800 3842 VIASAT-SP-BACKBONE, US 22773 2536 3400 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2337 13013 AMAZON-02, US 30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3526 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) ---------------------------------------------- 1:2384 2:1669 3:614 4:12 5:4679 6:162 7:6 8:1561 9:1 11:172 12:1373 13:352 14:2570 15:351 16:279 17:366 18:918 20:485 21:4 22:188 23:7348 24:2834 25:2 27:2772 29:19 31:3304 32:41 34:84 35:207 36:2422 37:4729 38:10083 39:906 40:154 41:4290 42:1917 43:2659 44:362 45:18706 46:5030 47:310 49:1976 50:1898 51:590 52:1552 54:301 55:877 56:11 57:253 58:2304 59:1352 60:1199 61:3153 62:2927 63:1845 64:5507 65:2182 66:4662 67:3059 68:1106 69:3984 70:1069 71:620 72:2833 74:2806 75:1607 76:612 77:2706 78:1879 79:1745 80:2236 81:2038 82:3123 83:1460 84:1848 85:3407 86:1140 87:2423 88:1283 89:4328 90:777 91:8341 92:2864 93:2877 94:4172 95:4311 96:1435 97:313 98:998 99:641 100:71 101:1409 102:3908 103:32621 104:4799 105:1180 106:993 107:2613 108:1206 109:4146 110:2270 111:3339 112:2066 113:1858 114:1980 115:2222 116:2087 117:2792 118:2919 119:2018 120:1943 121:1440 122:2895 123:2496 124:1707 125:2908 126:88 128:1656 129:981 130:1297 131:1917 132:784 133:451 134:1520 135:332 136:1301 137:1247 138:2924 139:1689 140:1590 141:1490 142:1838 143:1648 144:1053 145:514 146:2174 147:2106 148:2644 149:2981 150:1255 151:1745 152:2105 153:570 154:8185 155:1635 156:3225 157:1896 158:1271 159:2433 160:3576 161:1902 162:3711 163:1996 164:1702 165:2209 166:1446 167:1878 168:4092 169:793 170:5139 171:1013 172:4472 173:3228 174:909 175:1323 176:3736 177:4816 178:3798 179:2355 180:2665 181:4086 182:3400 183:2044 184:2141 185:21608 186:5208 187:4464 188:4214 189:4238 190:9694 191:1497 192:11214 193:9438 194:7932 195:5648 196:3282 197:3778 198:6098 199:8429 200:8237 201:6359 202:10944 203:10856 204:4531 205:3657 206:4629 207:3480 208:4228 209:5173 210:4891 211:2743 212:4559 213:3782 214:1050 215:48 216:6603 217:3268 218:1394 219:577 220:2090 221:1073 222:970 223:2342 End of report