IPv4 R&E Routing Table Report 23:05 GMT Sun 18 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: 918812 Prefixes after maximum aggregation (per Origin AS): 349193 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450645 Number of IPv4 prefixes with a valid ROA: 407270 Number of IPv4 prefixes with an invalid ROA: 1762 Number of IPv4 prefixes with no ROA: 509780 Total ASes present in the Internet Routing Table: 74362 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63884 Origin ASes announcing only one prefix: 26263 Transit ASes present in the Internet Routing Table: 10478 Transit-only ASes present in the Internet Routing Table: 449 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: 1043 Number of instances of unregistered ASNs: 1048 Number of 32-bit ASNs allocated by the RIRs: 42083 Number of 32-bit ASNs visible in the Routing Table: 34660 Prefixes from 32-bit ASNs in the Routing Table: 171995 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: 571 Number of addresses announced to Internet: 3054650624 Equivalent to 182 /8s, 18 /16s and 69 /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: 307856 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240105 Total APNIC prefixes after maximum aggregation: 68746 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234207 Unique aggregates announced from the APNIC address blocks: 98486 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: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8753 Number of APNIC addresses announced to Internet: 773096192 Equivalent to 46 /8s, 20 /16s and 131 /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: 269600 Total ARIN prefixes after maximum aggregation: 122800 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272282 Unique aggregates announced from the ARIN address blocks: 130451 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 7000 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 1279271936 Equivalent to 76 /8s, 64 /16s and 36 /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: 260121 Total RIPE prefixes after maximum aggregation: 122738 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256104 Unique aggregates announced from the RIPE address blocks: 159268 RIPE Region origin ASes present in the Internet Routing Table: 28326 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: 3966 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: 11212 Number of RIPE addresses announced to Internet: 717617920 Equivalent to 42 /8s, 197 /16s and 251 /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: 118302 Total LACNIC prefixes after maximum aggregation: 28321 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117438 Unique aggregates announced from the LACNIC address blocks: 49515 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2299 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: 8797 Number of LACNIC addresses announced to Internet: 176985344 Equivalent to 10 /8s, 140 /16s and 149 /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: 29641 Total AfriNIC prefixes after maximum aggregation: 5847 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38210 Unique aggregates announced from the AfriNIC address blocks: 12457 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 107348992 Equivalent to 6 /8s, 102 /16s and 4 /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 3674 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 3028 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 2189 442 199 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 8503 10864 3121 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 2457 24006 1556 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 3462 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2663 247 1384 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1828 946 537 TCI, IR 61317 1643 110 1274 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 549 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 8503 10864 3121 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 8503 5382 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 3674 3653 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 /15:2098 /16:13419 /17:8165 /18:13713 /19:24838 /20:42922 /21:51023 /22:109253 /23:97896 /24:553228 /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 2930 3462 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 5:4547 6:131 7:6 8:1507 9:1 11:172 12:1529 13:387 14:2304 15:304 16:189 17:370 18:452 20:260 21:4 22:188 23:6301 24:2596 25:6 27:2526 29:19 31:2515 32:78 34:22 35:109 36:1978 37:4676 38:4917 39:846 40:151 41:3934 42:2005 43:2307 44:309 45:16508 46:4288 47:375 49:1746 50:1866 51:584 52:1594 54:393 55:874 56:8 57:118 58:1818 59:1052 60:986 61:2554 62:2665 63:1906 64:5654 65:2323 66:5019 67:3060 68:1343 69:4127 70:1201 71:673 72:2987 74:2625 75:1557 76:612 77:2440 78:1811 79:2988 80:2120 81:1779 82:1495 83:1263 84:1515 85:3007 86:755 87:2016 88:1171 89:3733 90:616 91:7735 92:2047 93:2613 94:3621 95:4045 96:1313 97:336 98:1138 99:744 100:93 101:1308 102:2779 103:31506 104:4604 105:505 106:950 107:2581 108:1048 109:4195 110:2106 111:3126 112:2050 113:1731 114:1627 115:1993 116:1893 117:2561 118:2607 119:1979 120:1799 121:1069 122:2594 123:2128 124:1573 125:2478 128:1409 129:1046 130:1003 131:1980 132:801 133:422 134:1814 135:307 136:889 137:947 138:2552 139:1546 140:1260 141:1439 142:1448 143:1497 144:1127 145:344 146:1939 147:1586 148:2391 149:2233 150:885 151:1158 152:1939 153:491 154:4575 155:1419 156:1812 157:1317 158:1085 159:2262 160:2572 161:1553 162:3515 163:1534 164:1615 165:1834 166:1090 167:1716 168:3837 169:943 170:4587 171:904 172:3576 173:2958 174:1075 175:1178 176:3764 177:4589 178:3614 179:2166 180:2468 181:3498 182:3394 183:2071 184:2331 185:20344 186:4785 187:3990 188:4104 189:3687 190:9209 191:1457 192:10894 193:8895 194:7324 195:5160 196:3198 197:2386 198:5884 199:6088 200:7895 201:5926 202:10313 203:10262 204:4556 205:3693 206:4231 207:3385 208:4114 209:4882 210:4172 211:2436 212:4225 213:3622 214:1084 215:59 216:6667 217:2729 218:1272 219:410 220:1759 221:962 222:682 223:2151 End of report