IPv4 R&E Routing Table Report 23:05 GMT Tue 20 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: 919171 Prefixes after maximum aggregation (per Origin AS): 349328 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450866 Number of IPv4 prefixes with a valid ROA: 407603 Number of IPv4 prefixes with an invalid ROA: 1751 Number of IPv4 prefixes with no ROA: 509817 Total ASes present in the Internet Routing Table: 74398 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63892 Origin ASes announcing only one prefix: 26290 Transit ASes present in the Internet Routing Table: 10506 Transit-only ASes present in the Internet Routing Table: 446 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: 1035 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 42089 Number of 32-bit ASNs visible in the Routing Table: 34693 Prefixes from 32-bit ASNs in the Routing Table: 172077 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: 574 Number of addresses announced to Internet: 3054678784 Equivalent to 182 /8s, 18 /16s and 179 /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: 307872 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240237 Total APNIC prefixes after maximum aggregation: 68768 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234330 Unique aggregates announced from the APNIC address blocks: 98497 APNIC Region origin ASes present in the Internet Routing Table: 13384 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1793 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: 8770 Number of APNIC addresses announced to Internet: 773093888 Equivalent to 46 /8s, 20 /16s and 122 /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: 269902 Total ARIN prefixes after maximum aggregation: 122887 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272500 Unique aggregates announced from the ARIN address blocks: 130628 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 7005 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 4804 Number of ARIN addresses announced to Internet: 1279343360 Equivalent to 76 /8s, 65 /16s and 59 /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: 259987 Total RIPE prefixes after maximum aggregation: 122728 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256084 Unique aggregates announced from the RIPE address blocks: 159289 RIPE Region origin ASes present in the Internet Routing Table: 28328 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11216 Number of RIPE addresses announced to Internet: 717493504 Equivalent to 42 /8s, 196 /16s and 21 /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: 118391 Total LACNIC prefixes after maximum aggregation: 28360 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117514 Unique aggregates announced from the LACNIC address blocks: 49532 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2311 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: 8803 Number of LACNIC addresses announced to Internet: 177006848 Equivalent to 10 /8s, 140 /16s and 233 /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: 29619 Total AfriNIC prefixes after maximum aggregation: 5845 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38169 Unique aggregates announced from the AfriNIC address blocks: 12449 AfriNIC Region origin ASes present in the Internet Routing Table: 1750 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 610 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: 1100 Number of AfriNIC addresses announced to Internet: 107410176 Equivalent to 6 /8s, 102 /16s and 243 /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 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4219 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 3372 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3034 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2428 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2190 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 8514 10863 3121 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4133 284 78 VIASAT-SP-BACKBONE, US 22773 3550 3053 265 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3136 1562 2357 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2663 3593 377 GOOGLE-CLOUD-PLATFORM, US 30036 2509 361 394 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2459 24007 1560 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 7304 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4085 3398 161 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2665 247 1384 M247, RO 34984 2296 360 606 TELLCOM-AS, TR 6849 1971 307 17 UKRTELNET, UA 58224 1828 946 537 TCI, IR 61317 1644 110 1277 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 11436 3374 593 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2364 353 632 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 1303 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 1035 2499 46 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 1283 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 916 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 24757 469 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 11436 3374 593 UNINET, MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8514 10863 3121 AMAZON-02, US 12479 7304 1706 141 UNI2-AS, ES 7545 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4219 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4133 284 78 VIASAT-SP-BACKBONE, US 20940 4085 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 7304 7163 UNI2-AS, ES 16509 8514 5393 AMAZON-02, US 7545 5677 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4219 4194 FPT-AS-AP FPT Telecom Company, VN 7155 4133 4055 VIASAT-SP-BACKBONE, US 20940 4085 3924 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 /13:577 /14:1195 /15:2098 /16:13411 /17:8170 /18:13704 /19:24819 /20:42923 /21:51041 /22:109287 /23:98012 /24:553453 /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 6392 7304 UNI2-AS, ES 8151 5358 11436 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3119 4133 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2621 3550 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2509 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) ---------------------------------------------- 1:2161 2:1321 3:212 4:5 5:4543 6:131 7:6 8:1509 9:1 11:172 12:1528 13:387 14:2306 15:304 16:190 17:370 18:465 20:261 21:4 22:188 23:6306 24:2592 25:6 27:2511 29:19 31:2508 32:78 34:22 35:111 36:1982 37:4685 38:4914 39:852 40:151 41:3951 42:2008 43:2313 44:308 45:16521 46:4282 47:376 49:1746 50:1863 51:585 52:1595 54:393 55:978 56:8 57:118 58:1816 59:1110 60:980 61:2551 62:2665 63:1907 64:5639 65:2318 66:5021 67:3061 68:1343 69:4135 70:1218 71:675 72:2985 74:2615 75:1560 76:614 77:2449 78:1812 79:2987 80:2115 81:1780 82:1492 83:1265 84:1515 85:3007 86:748 87:2017 88:1174 89:3722 90:616 91:7738 92:2045 93:2608 94:3610 95:4040 96:1310 97:336 98:1136 99:745 100:93 101:1310 102:2780 103:31559 104:4598 105:505 106:960 107:2581 108:1042 109:4197 110:2099 111:3126 112:2050 113:1731 114:1631 115:1980 116:1897 117:2560 118:2600 119:1978 120:1769 121:1070 122:2601 123:2132 124:1573 125:2477 128:1411 129:1047 130:1004 131:1978 132:834 133:422 134:1794 135:307 136:890 137:948 138:2567 139:1542 140:1258 141:1458 142:1452 143:1494 144:1125 145:344 146:1941 147:1582 148:2406 149:2209 150:889 151:1157 152:1941 153:492 154:4581 155:1422 156:1811 157:1312 158:1079 159:2264 160:2561 161:1550 162:3513 163:1535 164:1615 165:1834 166:1083 167:1714 168:3830 169:948 170:4573 171:902 172:3594 173:2966 174:1075 175:1179 176:3764 177:4578 178:3614 179:2154 180:2468 181:3491 182:3401 183:2067 184:2340 185:20337 186:4840 187:3969 188:4111 189:3663 190:9215 191:1438 192:10894 193:8909 194:7314 195:5159 196:3205 197:2382 198:5892 199:6085 200:7887 201:5926 202:10312 203:10256 204:4553 205:3700 206:4259 207:3388 208:4116 209:4888 210:4171 211:2436 212:4231 213:3626 214:1091 215:59 216:6651 217:2722 218:1275 219:410 220:1754 221:962 222:682 223:2150 End of report