IPv4 R&E Routing Table Report 23:05 GMT Fri 29 Nov, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 962211 Prefixes after maximum aggregation (per Origin AS): 367950 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 471264 Number of IPv4 prefixes with a valid ROA: 513093 Number of IPv4 prefixes with an invalid ROA: 1197 Number of IPv4 prefixes with no ROA: 447921 Total ASes present in the Internet Routing Table: 76309 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65553 Origin ASes announcing only one prefix: 26811 Transit ASes present in the Internet Routing Table: 10756 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1040 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 45925 Number of 32-bit ASNs visible in the Routing Table: 37457 Prefixes from 32-bit ASNs in the Routing Table: 195216 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 476 Number of addresses announced to Internet: 3025487616 Equivalent to 180 /8s, 85 /16s and 71 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315687 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253199 Total APNIC prefixes after maximum aggregation: 75224 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 245519 Unique aggregates announced from the APNIC address blocks: 101763 APNIC Region origin ASes present in the Internet Routing Table: 14397 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4414 APNIC Region transit ASes present in the Internet Routing Table: 1900 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9900 Number of APNIC addresses announced to Internet: 755537408 Equivalent to 45 /8s, 8 /16s and 150 /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, 131072-153913 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: 282329 Total ARIN prefixes after maximum aggregation: 126290 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284615 Unique aggregates announced from the ARIN address blocks: 136223 ARIN Region origin ASes present in the Internet Routing Table: 19153 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1910 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5067 Number of ARIN addresses announced to Internet: 1265946624 Equivalent to 75 /8s, 116 /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: 268781 Total RIPE prefixes after maximum aggregation: 130151 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 265862 Unique aggregates announced from the RIPE address blocks: 169638 RIPE Region origin ASes present in the Internet Routing Table: 28801 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12132 Number of RIPE addresses announced to Internet: 722001152 Equivalent to 43 /8s, 8 /16s and 221 /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: 122811 Total LACNIC prefixes after maximum aggregation: 29099 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120356 Unique aggregates announced from the LACNIC address blocks: 48682 LACNIC Region origin ASes present in the Internet Routing Table: 11158 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2617 LACNIC Region transit ASes present in the Internet Routing Table: 2487 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9083 Number of LACNIC addresses announced to Internet: 177522944 Equivalent to 10 /8s, 148 /16s and 201 /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: 34051 Total AfriNIC prefixes after maximum aggregation: 6541 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 45383 Unique aggregates announced from the AfriNIC address blocks: 14557 AfriNIC Region origin ASes present in the Internet Routing Table: 1916 AfriNIC Prefixes per ASN: 23.69 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 104224256 Equivalent to 6 /8s, 54 /16s and 86 /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 10068 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6164 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4564 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3960 518 288 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2800 835 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2217 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 11084 11968 3945 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4622 8765 892 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3403 3035 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3216 23568 2051 ATT-INTERNET4, US 396982 2884 3655 433 GOOGLE-CLOUD-PLATFORM, US 16625 2807 1224 2098 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7668 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3880 3395 125 AKAMAI-ASN1, NL 9009 3671 317 1861 M247, RO 12389 2941 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1833 133 1353 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1490 98 746 CLOUVIDER Clouvider - Global ASN, GB Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11465 3222 606 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 537 371 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 2503 53 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1659 593 29 RAYA-AS, EG 24863 1636 389 16 LINKdotNET-AS, EG 29571 1424 90 59 ORANGE-COTE-IVOIRE, CI 36992 1421 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 551 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11465 3222 606 UNINET, MX 16509 11084 11968 3945 AMAZON-02, US 9808 10068 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7668 1709 143 UNI2-AS, ES 7545 6164 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4622 8765 892 COGENT-174, US 18403 4564 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 85 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 10068 9983 CHINAMOBILE-CN China Mobile Communications Grou 12479 7668 7525 UNI2-AS, ES 16509 11084 7139 AMAZON-02, US 7545 6164 5503 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4564 4541 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3880 3755 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/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 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2051 /16:13115 /17:8145 /18:13575 /19:24282 /20:43907 /21:51741 /22:111583 /23:99663 /24:591953 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6658 7668 UNI2-AS, ES 8151 5667 11465 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2263 11084 AMAZON-02, US 30036 2206 2546 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1540 3:526 4:8 5:4484 6:166 7:6 8:1490 9:1 11:172 12:1410 13:368 14:2464 15:334 16:269 17:359 18:901 20:447 21:4 22:188 23:7042 24:2651 25:2 27:2663 29:19 31:3024 32:38 34:73 35:172 36:2382 37:4509 38:9037 39:891 40:152 41:4157 42:2199 43:2455 44:342 45:17791 46:4903 47:295 49:2006 50:1855 51:586 52:1575 54:316 55:948 56:8 57:230 58:2240 59:1180 60:1153 61:2786 62:2831 63:1840 64:5418 65:2272 66:4616 67:3019 68:1287 69:3998 70:1116 71:589 72:2857 74:2781 75:1631 76:635 77:2560 78:1847 79:1626 80:2199 81:2045 82:1770 83:1467 84:1762 85:3191 86:968 87:2161 88:1253 89:4383 90:732 91:8262 92:2644 93:2843 94:3854 95:4205 96:1243 97:313 98:1067 99:734 100:71 101:1412 102:3443 103:32263 104:4436 105:734 106:983 107:2409 108:1178 109:4014 110:2236 111:3308 112:2037 113:1796 114:1935 115:2165 116:1989 117:2724 118:2867 119:1976 120:1844 121:1351 122:2718 123:2155 124:1609 125:2842 126:62 128:1518 129:933 130:1249 131:1869 132:804 133:448 134:1525 135:321 136:1306 137:1099 138:2855 139:1530 140:1489 141:1456 142:1831 143:1594 144:1025 145:404 146:2100 147:2041 148:2575 149:2803 150:1159 151:1466 152:2104 153:499 154:7303 155:1546 156:2755 157:1859 158:1228 159:2435 160:3350 161:1704 162:3582 163:1771 164:1941 165:2149 166:1339 167:1857 168:4080 169:798 170:5021 171:996 172:3945 173:3140 174:919 175:1271 176:3539 177:4850 178:3717 179:2272 180:2537 181:3944 182:3355 183:2065 184:2262 185:21263 186:5021 187:4209 188:4216 189:4114 190:9577 191:1508 192:11148 193:9263 194:7634 195:5391 196:3189 197:3598 198:5910 199:8217 200:8052 201:6306 202:10249 203:10448 204:4616 205:3653 206:4596 207:3485 208:4215 209:5075 210:4510 211:2523 212:4499 213:3687 214:1060 215:48 216:6564 217:3079 218:1298 219:387 220:2095 221:1052 222:708 223:2284 End of report