IPv4 R&E Routing Table Report 23:05 GMT Sat 17 Jun, 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: 919009 Prefixes after maximum aggregation (per Origin AS): 349198 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450609 Number of IPv4 prefixes with a valid ROA: 407363 Number of IPv4 prefixes with an invalid ROA: 1750 Number of IPv4 prefixes with no ROA: 509896 Total ASes present in the Internet Routing Table: 74362 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63886 Origin ASes announcing only one prefix: 26250 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1044 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42074 Number of 32-bit ASNs visible in the Routing Table: 34656 Prefixes from 32-bit ASNs in the Routing Table: 171997 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3054574592 Equivalent to 182 /8s, 17 /16s and 28 /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: 99.6 Total number of prefixes smaller than registry allocations: 307878 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240115 Total APNIC prefixes after maximum aggregation: 68750 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234206 Unique aggregates announced from the APNIC address blocks: 98493 APNIC Region origin ASes present in the Internet Routing Table: 13370 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8755 Number of APNIC addresses announced to Internet: 773098752 Equivalent to 46 /8s, 20 /16s and 141 /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: 269562 Total ARIN prefixes after maximum aggregation: 122774 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272251 Unique aggregates announced from the ARIN address blocks: 130440 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4807 Number of ARIN addresses announced to Internet: 1279259392 Equivalent to 76 /8s, 63 /16s and 243 /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: 260190 Total RIPE prefixes after maximum aggregation: 122762 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256179 Unique aggregates announced from the RIPE address blocks: 159269 RIPE Region origin ASes present in the Internet Routing Table: 28331 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3968 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11206 Number of RIPE addresses announced to Internet: 717529600 Equivalent to 42 /8s, 196 /16s and 162 /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 196608-213403 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: 118489 Total LACNIC prefixes after maximum aggregation: 28349 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117618 Unique aggregates announced from the LACNIC address blocks: 49511 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2301 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8797 Number of LACNIC addresses announced to Internet: 176987136 Equivalent to 10 /8s, 140 /16s and 156 /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: 29609 Total AfriNIC prefixes after maximum aggregation: 5821 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38175 Unique aggregates announced from the AfriNIC address blocks: 12419 AfriNIC Region origin ASes present in the Internet Routing Table: 1741 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1091 Number of AfriNIC addresses announced to Internet: 107366400 Equivalent to 6 /8s, 102 /16s and 72 /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 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3027 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2427 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 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 8492 10861 3119 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4104 284 78 VIASAT-SP-BACKBONE, US 22773 3561 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3124 1557 2348 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2505 360 411 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2460 24006 1559 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 7301 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 161 AKAMAI-ASN1, NL 8551 3463 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2661 247 1382 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1827 946 537 TCI, IR 61317 1641 110 1272 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 11424 3373 594 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2360 353 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 Techtel LMDS Comunicaciones Interactiva 26615 1034 2498 45 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 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1308 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11424 3373 594 UNINET, MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8492 10861 3119 AMAZON-02, US 12479 7301 1706 141 UNI2-AS, ES 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 78 VIASAT-SP-BACKBONE, US 20940 4084 3398 161 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 9500 9463 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8492 5373 AMAZON-02, US 7545 5721 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4104 4026 VIASAT-SP-BACKBONE, US 20940 4084 3923 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7552 3670 3649 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:103 /12:301 /13:579 /14:1197 /15:2099 /16:13417 /17:8163 /18:13714 /19:24832 /20:42940 /21:51052 /22:109270 /23:98004 /24:553261 /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 6389 7301 UNI2-AS, ES 8151 5346 11424 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4104 VIASAT-SP-BACKBONE, US 8551 2931 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2630 3561 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2155 2:1317 3:208 4:5 5:4546 6:131 7:6 8:1508 9:1 11:172 12:1529 13:387 14:2307 15:304 16:189 17:370 18:451 20:260 21:4 22:188 23:6300 24:2599 25:6 27:2527 29:19 31:2516 32:78 34:22 35:109 36:1976 37:4675 38:4918 39:846 40:151 41:3926 42:2006 43:2309 44:308 45:16499 46:4289 47:375 49:1746 50:1866 51:584 52:1594 54:393 55:874 56:8 57:118 58:1815 59:1052 60:985 61:2553 62:2664 63:1904 64:5652 65:2321 66:5020 67:3055 68:1343 69:4127 70:1201 71:673 72:2988 74:2625 75:1557 76:612 77:2443 78:1810 79:2991 80:2117 81:1794 82:1495 83:1262 84:1511 85:3011 86:757 87:2017 88:1171 89:3737 90:616 91:7734 92:2047 93:2616 94:3623 95:4044 96:1312 97:336 98:1136 99:744 100:91 101:1311 102:2746 103:31527 104:4604 105:505 106:950 107:2579 108:1043 109:4195 110:2107 111:3124 112:2042 113:1731 114:1622 115:1993 116:1893 117:2555 118:2606 119:1980 120:1799 121:1069 122:2593 123:2124 124:1573 125:2476 128:1409 129:1046 130:1001 131:1973 132:845 133:422 134:1814 135:307 136:889 137:947 138:2570 139:1546 140:1260 141:1441 142:1449 143:1492 144:1126 145:344 146:1939 147:1586 148:2401 149:2235 150:884 151:1158 152:1944 153:491 154:4587 155:1419 156:1798 157:1317 158:1085 159:2263 160:2572 161:1552 162:3512 163:1532 164:1615 165:1834 166:1087 167:1717 168:3844 169:944 170:4588 171:903 172:3580 173:2961 174:1072 175:1170 176:3763 177:4593 178:3615 179:2175 180:2468 181:3495 182:3393 183:2071 184:2331 185:20349 186:4823 187:3975 188:4103 189:3670 190:9212 191:1448 192:10892 193:8896 194:7340 195:5161 196:3204 197:2381 198:5890 199:6087 200:7894 201:5928 202:10305 203:10267 204:4553 205:3695 206:4235 207:3386 208:4112 209:4875 210:4172 211:2436 212:4201 213:3633 214:1086 215:59 216:6669 217:2729 218:1272 219:410 220:1759 221:962 222:682 223:2151 End of report