IPv4 R&E Routing Table Report 23:05 GMT Wed 06 Sep, 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: 920338 Prefixes after maximum aggregation (per Origin AS): 351000 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452392 Number of IPv4 prefixes with a valid ROA: 417855 Number of IPv4 prefixes with an invalid ROA: 1613 Number of IPv4 prefixes with no ROA: 500870 Total ASes present in the Internet Routing Table: 74579 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64168 Origin ASes announcing only one prefix: 26333 Transit ASes present in the Internet Routing Table: 10411 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 42557 Number of 32-bit ASNs visible in the Routing Table: 34987 Prefixes from 32-bit ASNs in the Routing Table: 174182 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 604 Number of addresses announced to Internet: 3054649088 Equivalent to 182 /8s, 18 /16s and 63 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 307444 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240963 Total APNIC prefixes after maximum aggregation: 69805 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234684 Unique aggregates announced from the APNIC address blocks: 98649 APNIC Region origin ASes present in the Internet Routing Table: 13522 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4014 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8905 Number of APNIC addresses announced to Internet: 772327424 Equivalent to 46 /8s, 8 /16s and 200 /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: 270385 Total ARIN prefixes after maximum aggregation: 123363 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273107 Unique aggregates announced from the ARIN address blocks: 131285 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.35 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1279009280 Equivalent to 76 /8s, 60 /16s and 34 /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: 260098 Total RIPE prefixes after maximum aggregation: 122845 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256195 Unique aggregates announced from the RIPE address blocks: 159899 RIPE Region origin ASes present in the Internet Routing Table: 28384 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11307 Number of RIPE addresses announced to Internet: 716706560 Equivalent to 42 /8s, 184 /16s and 19 /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: 117868 Total LACNIC prefixes after maximum aggregation: 28328 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116892 Unique aggregates announced from the LACNIC address blocks: 49309 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2318 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8829 Number of LACNIC addresses announced to Internet: 178364672 Equivalent to 10 /8s, 161 /16s and 161 /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: 29964 Total AfriNIC prefixes after maximum aggregation: 5934 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38856 Unique aggregates announced from the AfriNIC address blocks: 12744 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1129 Number of AfriNIC addresses announced to Internet: 107775232 Equivalent to 6 /8s, 108 /16s and 133 /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 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4350 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3735 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3329 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2498 848 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 9035 10984 3271 AMAZON-02, US 11492 4518 300 661 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3555 3040 312 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3154 54959 2406 DNIC-AS-00749, US 16625 3012 1449 2281 AKAMAI-AS, US 367 2971 3835 1400 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2488 356 401 MEDIACOM-ENTERPRISE-BUSINESS, 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 7342 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2296 913 ROSTELECOM-AS, RU 9009 2666 246 1375 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1752 933 517 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1521 102 1185 ASDETUK www.heficed.com, US 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 11491 3339 629 UNINET, MX 10620 3538 506 849 Telmex Colombia S.A., CO 13999 2405 342 629 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1324 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1123 182 429 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1028 2501 49 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 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 780 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 526 55 49 WANANCHI-, KE 37342 485 32 1 MOVITEL, MZ 24757 480 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 11491 3339 629 UNINET, MX 9808 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9035 10984 3271 AMAZON-02, US 12479 7342 1713 145 UNI2-AS, ES 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4518 300 661 CABLEONE, US 18403 4350 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4078 3398 152 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 9486 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7342 7197 UNI2-AS, ES 16509 9035 5764 AMAZON-02, US 7545 5726 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4350 4325 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4078 3926 AKAMAI-ASN1, NL 11492 4518 3857 CABLEONE, US 7552 3735 3715 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 11168 SCC, 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 6461 ZAYO-6461, 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 23.178.240.0/24 Origin: 399517 MC-SERVER-HOSTING, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, US 23.189.192.0/24 Origin: 27593 SPECTRAPLUS, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:38 /11:102 /12:298 /13:574 /14:1195 /15:2098 /16:13468 /17:8197 /18:13722 /19:24784 /20:43283 /21:50799 /22:109291 /23:98563 /24:553887 /25:0 /26:1 /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 6428 7342 UNI2-AS, ES 8151 5638 11491 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3429 4518 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2601 3555 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2101 3538 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) ---------------------------------------------- 1:2222 2:1389 3:258 4:5 5:4561 6:136 7:6 8:1501 9:1 11:172 12:1509 13:376 14:2307 15:304 16:192 17:368 18:635 20:281 21:4 22:188 23:6361 24:2487 25:6 27:2553 29:19 31:2524 32:77 34:26 35:114 36:1994 37:4531 38:5156 39:870 40:147 41:4028 42:2100 43:2260 44:319 45:16405 46:4275 47:378 49:1800 50:1871 51:595 52:1597 54:393 55:965 56:8 57:123 58:1794 59:1120 60:1000 61:2537 62:2673 63:1913 64:5572 65:2326 66:4878 67:3020 68:1338 69:4125 70:1190 71:659 72:2957 74:2597 75:1564 76:617 77:2328 78:1834 79:2988 80:2116 81:1826 82:1458 83:1283 84:1501 85:2993 86:762 87:1991 88:1126 89:3846 90:618 91:7804 92:2059 93:2619 94:3510 95:4010 96:1295 97:321 98:1078 99:735 100:90 101:1299 102:2913 103:31952 104:4603 105:559 106:882 107:2655 108:1125 109:4216 110:2135 111:3131 112:2060 113:1746 114:1657 115:1994 116:1903 117:2511 118:2697 119:1980 120:1776 121:1089 122:2570 123:2140 124:1577 125:2521 128:1415 129:912 130:1028 131:1943 132:853 133:408 134:1789 135:306 136:910 137:969 138:2632 139:1563 140:1158 141:1293 142:1481 143:1493 144:988 145:346 146:1932 147:1606 148:2429 149:2250 150:869 151:1231 152:1983 153:519 154:4904 155:1371 156:1932 157:1327 158:1083 159:2228 160:2586 161:1583 162:3511 163:1578 164:1697 165:1852 166:1012 167:1721 168:3698 169:904 170:4642 171:872 172:3691 173:2941 174:980 175:1181 176:3762 177:4419 178:3539 179:2117 180:2447 181:3473 182:3317 183:2005 184:2280 185:20503 186:4724 187:4137 188:4134 189:3745 190:9232 191:1379 192:10923 193:8908 194:7240 195:5194 196:3191 197:2466 198:5914 199:6086 200:7862 201:5984 202:10199 203:9971 204:4532 205:3658 206:4290 207:3388 208:4130 209:4889 210:4185 211:2440 212:4229 213:3396 214:1094 215:59 216:6652 217:2777 218:1266 219:404 220:1800 221:977 222:669 223:2142 End of report