IPv4 R&E Routing Table Report 23:05 GMT Mon 27 Nov, 2023 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: 928415 Prefixes after maximum aggregation (per Origin AS): 354948 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454558 Number of IPv4 prefixes with a valid ROA: 429714 Number of IPv4 prefixes with an invalid ROA: 1385 Number of IPv4 prefixes with no ROA: 497316 Total ASes present in the Internet Routing Table: 74909 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64433 Origin ASes announcing only one prefix: 26493 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 43108 Number of 32-bit ASNs visible in the Routing Table: 35405 Prefixes from 32-bit ASNs in the Routing Table: 177360 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3047717888 Equivalent to 181 /8s, 168 /16s and 124 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309374 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243782 Total APNIC prefixes after maximum aggregation: 71151 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237047 Unique aggregates announced from the APNIC address blocks: 99296 APNIC Region origin ASes present in the Internet Routing Table: 13705 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4125 APNIC Region transit ASes present in the Internet Routing Table: 1840 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9097 Number of APNIC addresses announced to Internet: 771164416 Equivalent to 45 /8s, 247 /16s and 9 /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: 272323 Total ARIN prefixes after maximum aggregation: 123788 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276959 Unique aggregates announced from the ARIN address blocks: 132235 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4824 Number of ARIN addresses announced to Internet: 1275924736 Equivalent to 76 /8s, 13 /16s and 17 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 261674 Total RIPE prefixes after maximum aggregation: 124731 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256108 Unique aggregates announced from the RIPE address blocks: 160353 RIPE Region origin ASes present in the Internet Routing Table: 28471 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12100 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11446 Number of RIPE addresses announced to Internet: 714379520 Equivalent to 42 /8s, 148 /16s and 145 /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, 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: 119486 Total LACNIC prefixes after maximum aggregation: 28579 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118275 Unique aggregates announced from the LACNIC address blocks: 49443 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2332 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8888 Number of LACNIC addresses announced to Internet: 178355200 Equivalent to 10 /8s, 161 /16s and 124 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30134 Total AfriNIC prefixes after maximum aggregation: 6014 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39502 Unique aggregates announced from the AfriNIC address blocks: 12803 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 633 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150 Number of AfriNIC addresses announced to Internet: 107530752 Equivalent to 6 /8s, 104 /16s and 202 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5686 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3382 494 248 BBIL-AP BHARTI Airtel Ltd., IN 45899 3264 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2624 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 200 TATACOMM-AS TATA Communications formerl 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 9346 11141 3302 AMAZON-02, US 11492 4555 302 679 CABLEONE, US 7155 4166 288 98 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3508 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3137 1391 2307 AKAMAI-AS, US 367 3015 3864 1421 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2593 23620 1608 ATT-INTERNET4, 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 7482 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4007 3397 141 AKAMAI-ASN1, NL 9009 3471 300 1616 M247, RO 8551 3430 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2872 2297 916 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1593 884 618 TCI, IR 8452 1534 1852 14 TE-AS TE-AS, EG 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 12104 3376 609 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2468 337 645 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1340 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11664 1077 172 436 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 24863 1593 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 32 1 MOVITEL, MZ 24757 460 73 5 EthioNet-AS, ET 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 12104 3376 609 UNINET, MX 9808 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9346 11141 3302 AMAZON-02, US 12479 7482 1714 146 UNI2-AS, ES 7545 5686 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4555 302 679 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 98 VIASAT-SP-BACKBONE, US 20940 4007 3397 141 AKAMAI-ASN1, NL 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 9723 9682 CHINAMOBILE-CN China Mobile Communications Grou 12479 7482 7336 UNI2-AS, ES 16509 9346 6044 AMAZON-02, US 7545 5686 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4068 VIASAT-SP-BACKBONE, US 11492 4555 3876 CABLEONE, US 20940 4007 3866 AKAMAI-ASN1, NL 7552 3643 3623 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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/Singapore/data-badAS 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:99 /12:298 /13:578 /14:1191 /15:2055 /16:13405 /17:8181 /18:13673 /19:24768 /20:43106 /21:51111 /22:110014 /23:99098 /24:560761 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6574 7482 UNI2-AS, ES 8151 6113 12104 UNINET, MX 11492 3469 4555 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3115 4166 VIASAT-SP-BACKBONE, US 8551 2907 3430 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2236 2:1427 3:276 4:5 5:4389 6:162 7:6 8:1493 9:1 11:172 12:1492 13:374 14:2319 15:303 16:206 17:366 18:684 20:319 21:4 22:188 23:6499 24:2558 25:2 27:2574 29:19 31:2537 32:55 34:33 35:116 36:2035 37:4456 38:5670 39:881 40:149 41:4010 42:2072 43:2290 44:331 45:16634 46:4367 47:373 49:1874 50:1877 51:573 52:1593 54:393 55:875 56:5 57:125 58:1834 59:1113 60:1010 61:2586 62:2722 63:1897 64:5479 65:2350 66:4986 67:3057 68:1351 69:4093 70:1180 71:604 72:2919 74:2621 75:1561 76:624 77:2329 78:1827 79:3017 80:2110 81:1839 82:1520 83:1311 84:1604 85:2962 86:782 87:1944 88:1235 89:3941 90:635 91:7862 92:2144 93:2643 94:3569 95:3994 96:1299 97:316 98:1081 99:738 100:96 101:1416 102:2977 103:32459 104:4785 105:591 106:969 107:2757 108:1136 109:4184 110:2129 111:3136 112:2072 113:1690 114:1725 115:1995 116:1918 117:2574 118:2740 119:1952 120:1769 121:1223 122:2620 123:2180 124:1586 125:2748 128:1430 129:902 130:1052 131:1981 132:814 133:407 134:1715 135:302 136:920 137:986 138:2712 139:1562 140:1333 141:1344 142:1531 143:1520 144:1001 145:341 146:1987 147:1618 148:2460 149:2319 150:1008 151:1257 152:1830 153:525 154:5318 155:1378 156:2093 157:1354 158:1056 159:2203 160:2611 161:1603 162:3562 163:1618 164:1630 165:1863 166:1099 167:1760 168:3815 169:797 170:4673 171:971 172:3764 173:2994 174:953 175:1216 176:3579 177:4619 178:3533 179:2188 180:2288 181:3601 182:3368 183:2021 184:2257 185:20398 186:4779 187:4268 188:4050 189:3963 190:9281 191:1476 192:10965 193:8958 194:7285 195:5188 196:3130 197:2544 198:5936 199:6542 200:8015 201:6236 202:10221 203:10026 204:4567 205:3677 206:4376 207:3409 208:4081 209:4887 210:4240 211:2451 212:4221 213:3380 214:1116 215:71 216:6724 217:2751 218:1290 219:412 220:1799 221:1008 222:698 223:2186 End of report