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 12 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: 999949 Prefixes after maximum aggregation (per Origin AS): 376716 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 477280 Number of IPv4 prefixes with a valid ROA: 549337 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 450592 Total ASes present in the Internet Routing Table: 76875 Prefixes per ASN: 13.01 Origin-only ASes present in the Internet Routing Table: 65849 Origin ASes announcing only one prefix: 26853 Transit ASes present in the Internet Routing Table: 11026 Transit-only ASes present in the Internet Routing Table: 553 Paths with bogon ASNs present in the IPv4 Routing Table: 54 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 57 Max AS path prepend of ASN (135823) 50 Prefixes from unregistered ASNs in the Routing Table: 1083 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 46178 Number of 32-bit ASNs visible in the Routing Table: 38133 Prefixes from 32-bit ASNs in the Routing Table: 203902 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 337 Number of addresses announced to Internet: 3112204288 Equivalent to 185 /8s, 128 /16s and 120 /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: 326108 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 268106 Total APNIC prefixes after maximum aggregation: 77303 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 259773 Unique aggregates announced from the APNIC address blocks: 103055 APNIC Region origin ASes present in the Internet Routing Table: 14664 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 4450 APNIC Region transit ASes present in the Internet Routing Table: 1995 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: 10110 Number of APNIC addresses announced to Internet: 753911360 Equivalent to 44 /8s, 239 /16s and 198 /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: 291827 Total ARIN prefixes after maximum aggregation: 129098 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 292622 Unique aggregates announced from the ARIN address blocks: 137650 ARIN Region origin ASes present in the Internet Routing Table: 19243 ARIN Prefixes per ASN: 15.21 ARIN Region origin ASes announcing only one prefix: 7034 ARIN Region transit ASes present in the Internet Routing Table: 1981 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: 5183 Number of ARIN addresses announced to Internet: 1349503232 Equivalent to 80 /8s, 111 /16s and 201 /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: 277114 Total RIPE prefixes after maximum aggregation: 133514 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 275055 Unique aggregates announced from the RIPE address blocks: 173692 RIPE Region origin ASes present in the Internet Routing Table: 28907 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 12390 Number of RIPE addresses announced to Internet: 731777152 Equivalent to 43 /8s, 158 /16s and 8 /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: 125460 Total LACNIC prefixes after maximum aggregation: 29397 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 122087 Unique aggregates announced from the LACNIC address blocks: 48856 LACNIC Region origin ASes present in the Internet Routing Table: 11229 LACNIC Prefixes per ASN: 10.87 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2484 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9176 Number of LACNIC addresses announced to Internet: 171781440 Equivalent to 10 /8s, 61 /16s and 45 /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: 36359 Total AfriNIC prefixes after maximum aggregation: 6763 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 50075 Unique aggregates announced from the AfriNIC address blocks: 13746 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 26.23 AfriNIC Region origin ASes announcing only one prefix: 678 AfriNIC Region transit ASes present in the Internet Routing Table: 379 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274 Number of AfriNIC addresses announced to Internet: 105047552 Equivalent to 6 /8s, 66 /16s and 230 /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 10399 8913 146 CHINAMOBILE-CN China Mobile Communication 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4850 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4220 530 274 BBIL-AP BHARTI Airtel Ltd., IN 45899 4171 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3950 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2855 850 538 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 13159 39690 4082 AMAZON-02, US 174 5362 8766 960 COGENT-174, US 11492 4693 311 586 CABLEONE, US 7155 3843 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3397 3033 182 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2975 1246 2204 AKAMAI-AS, US 396982 2949 3649 466 GOOGLE-CLOUD-PLATFORM, US 36352 2649 218 805 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 7706 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3926 3396 141 AKAMAI-ASN1, NL 9009 3762 325 1956 M247, RO 12389 3072 2303 887 ROSTELECOM-AS, RU 5384 2402 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2363 360 581 TELLCOM-AS, TR 212238 2090 148 1540 CDNEXT, GB 8452 1637 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 11938 3245 584 UNINET, MX 10620 3522 486 992 Telmex Colombia S.A., CO 13999 2503 538 369 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1357 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 22 Telefonica del Peru S.A.A., PE 11664 1087 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1053 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1043 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 1702 599 30 RAYA-AS, EG 24863 1643 389 16 LINKdotNET-AS, EG 29571 1580 102 22 ORANGE-COTE-IVOIRE, CI 36992 1430 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1028 523 45 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 562 1861 35 IAM-AS, MA 36914 551 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 13159 39690 4082 AMAZON-02, US 8151 11938 3245 584 UNINET, MX 9808 10399 8913 146 CHINAMOBILE-CN China Mobile Communication 12479 7706 1714 145 UNI2-AS, ES 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5362 8766 960 COGENT-174, US 4538 4850 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4693 311 586 CABLEONE, US 18403 4260 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 11938 11354 UNINET, MX 9808 10399 10253 CHINAMOBILE-CN China Mobile Communications Grou 12479 7706 7561 UNI2-AS, ES 7545 6208 5557 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 5362 4402 COGENT-174, US 18403 4260 4235 FPT-AS-AP FPT Telecom Company, VN 45899 4171 4116 VNPT-AS-VN VNPT Corp, VN 11492 4693 4107 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 23.137.116.0/24 Origin: 63129 AIRRABBIT-NETWORK, US 23.137.116.0/24 Transit: 6939 HURRICANE, 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:302 /13:585 /14:1230 /15:2183 /16:14045 /17:8521 /18:14531 /19:25272 /20:45658 /21:53161 /22:113999 /23:104741 /24:614840 /25:113 /26:107 /27:101 /28:18 /29:75 /30:10 /31:0 /32:291 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6628 7706 UNI2-AS, ES 8151 6143 11938 UNINET, MX 11492 3531 4693 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2800 3843 VIASAT-SP-BACKBONE, US 22773 2534 3397 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2332 13159 AMAZON-02, US 30036 2213 2553 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 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) ---------------------------------------------- 1:2390 2:1658 3:614 4:12 5:4702 6:163 7:6 8:1561 9:1 11:172 12:1370 13:352 14:2572 15:351 16:279 17:369 18:923 20:495 21:4 22:188 23:7414 24:2846 25:2 27:2805 29:19 31:3301 32:41 34:84 35:206 36:2423 37:4709 38:10013 39:904 40:160 41:4322 42:1929 43:2668 44:373 45:18722 46:5029 47:308 49:1941 50:1899 51:590 52:1554 54:298 55:877 56:11 57:252 58:2315 59:1357 60:1199 61:3145 62:2942 63:1838 64:5513 65:2180 66:4656 67:3068 68:1123 69:3979 70:1066 71:622 72:2831 74:2804 75:1604 76:613 77:2739 78:1875 79:1757 80:2235 81:2035 82:3129 83:1465 84:1859 85:3405 86:1139 87:2419 88:1287 89:4334 90:778 91:8350 92:2850 93:2895 94:4191 95:4332 96:1442 97:313 98:995 99:643 100:71 101:1413 102:3910 103:32653 104:4760 105:1186 106:993 107:2615 108:1205 109:4141 110:2273 111:3378 112:2070 113:1859 114:1981 115:2264 116:2091 117:2791 118:2927 119:2016 120:1943 121:1444 122:2896 123:2494 124:1708 125:2911 126:90 128:1645 129:984 130:1285 131:1929 132:788 133:451 134:1527 135:333 136:1286 137:1243 138:2940 139:1681 140:1598 141:1488 142:1905 143:1640 144:1067 145:515 146:2176 147:2112 148:2661 149:2997 150:1257 151:1749 152:2107 153:570 154:8289 155:1645 156:3215 157:1888 158:1277 159:2444 160:3582 161:1909 162:3739 163:2045 164:1707 165:2210 166:1457 167:1883 168:4127 169:794 170:5142 171:1014 172:4455 173:3233 174:907 175:1321 176:3700 177:4835 178:3799 179:2352 180:2673 181:4094 182:3397 183:2059 184:2137 185:21609 186:5184 187:4480 188:4205 189:4242 190:9691 191:1505 192:11243 193:9455 194:7929 195:5649 196:3298 197:3706 198:6084 199:8460 200:8247 201:6333 202:10955 203:10861 204:4533 205:3659 206:4643 207:3481 208:4232 209:5169 210:4892 211:2741 212:4587 213:3783 214:1032 215:48 216:6622 217:3281 218:1397 219:577 220:2091 221:1071 222:975 223:2340 End of report