IPv4 R&E Routing Table Report 23:05 GMT Wed 14 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: 918527 Prefixes after maximum aggregation (per Origin AS): 349136 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450502 Number of IPv4 prefixes with a valid ROA: 406702 Number of IPv4 prefixes with an invalid ROA: 1717 Number of IPv4 prefixes with no ROA: 510108 Total ASes present in the Internet Routing Table: 74376 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63877 Origin ASes announcing only one prefix: 26273 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1042 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 42054 Number of 32-bit ASNs visible in the Routing Table: 34659 Prefixes from 32-bit ASNs in the Routing Table: 171870 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: 596 Number of addresses announced to Internet: 3055251712 Equivalent to 182 /8s, 27 /16s and 113 /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: 307555 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240117 Total APNIC prefixes after maximum aggregation: 68737 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234234 Unique aggregates announced from the APNIC address blocks: 98460 APNIC Region origin ASes present in the Internet Routing Table: 13372 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3953 APNIC Region transit ASes present in the Internet Routing Table: 1797 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: 8754 Number of APNIC addresses announced to Internet: 773038592 Equivalent to 46 /8s, 19 /16s and 162 /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: 269505 Total ARIN prefixes after maximum aggregation: 122715 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272227 Unique aggregates announced from the ARIN address blocks: 130441 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.26 ARIN Region origin ASes announcing only one prefix: 7006 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4805 Number of ARIN addresses announced to Internet: 1279812352 Equivalent to 76 /8s, 72 /16s and 99 /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: 259939 Total RIPE prefixes after maximum aggregation: 122762 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255875 Unique aggregates announced from the RIPE address blocks: 159169 RIPE Region origin ASes present in the Internet Routing Table: 28331 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12049 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: 63 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11208 Number of RIPE addresses announced to Internet: 717583360 Equivalent to 42 /8s, 197 /16s and 116 /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: 118265 Total LACNIC prefixes after maximum aggregation: 28333 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117400 Unique aggregates announced from the LACNIC address blocks: 49478 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2302 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: 8793 Number of LACNIC addresses announced to Internet: 176964352 Equivalent to 10 /8s, 140 /16s and 67 /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: 29659 Total AfriNIC prefixes after maximum aggregation: 5837 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38195 Unique aggregates announced from the AfriNIC address blocks: 12464 AfriNIC Region origin ASes present in the Internet Routing Table: 1748 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1099 Number of AfriNIC addresses announced to Internet: 107444736 Equivalent to 6 /8s, 103 /16s and 122 /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 4219 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3684 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 3023 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2422 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 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 8478 10831 3101 AMAZON-02, US 11492 4516 299 609 CABLEONE, US 7155 4105 284 78 VIASAT-SP-BACKBONE, US 22773 3559 3051 264 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3125 54969 2377 DNIC-AS-00749, US 16625 3103 1547 2335 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2505 360 411 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2466 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 7302 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4070 3398 161 AKAMAI-ASN1, NL 8551 3457 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2291 911 ROSTELECOM-AS, RU 9009 2665 247 1385 M247, RO 34984 2298 361 607 TELLCOM-AS, TR 6849 1967 307 17 UKRTELNET, UA 58224 1826 945 537 TCI, IR 61317 1647 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 11396 3371 602 Uninet S.A. de C.V., MX 10620 3530 507 838 Telmex Colombia S.A., CO 13999 2357 352 626 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1319 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1297 764 168 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1104 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1033 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 1578 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1305 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 492 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 11396 3371 602 Uninet S.A. de C.V., MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8478 10831 3101 AMAZON-02, US 12479 7302 1706 140 UNI2-AS, ES 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4516 299 609 CABLEONE, US 18403 4219 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4105 284 78 VIASAT-SP-BACKBONE, US 20940 4070 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 7302 7162 UNI2-AS, ES 16509 8478 5377 AMAZON-02, US 7545 5721 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4219 4194 FPT-AS-AP FPT Telecom Company, VN 7155 4105 4027 VIASAT-SP-BACKBONE, US 20940 4070 3909 AKAMAI-ASN1, NL 11492 4516 3907 CABLEONE, US 7552 3684 3663 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 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 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 /14:1198 /15:2095 /16:13428 /17:8166 /18:13712 /19:24828 /20:42906 /21:50994 /22:109251 /23:97960 /24:552929 /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 6391 7302 UNI2-AS, ES 8151 5323 11396 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3426 4516 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4105 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2630 3559 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3530 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) ---------------------------------------------- 1:2153 2:1277 3:202 4:5 5:4540 6:130 7:6 8:1506 9:1 11:172 12:1530 13:388 14:2298 15:304 16:191 17:370 18:450 20:262 21:4 22:188 23:6289 24:2582 25:6 27:2526 29:19 31:2515 32:78 34:22 35:110 36:1978 37:4677 38:4905 39:846 40:151 41:3933 42:2004 43:2312 44:310 45:16489 46:4286 47:376 49:1744 50:1865 51:585 52:1593 54:393 55:870 56:8 57:118 58:1819 59:1051 60:985 61:2544 62:2664 63:1902 64:5660 65:2321 66:5014 67:3057 68:1344 69:4127 70:1202 71:673 72:2986 74:2610 75:1558 76:611 77:2443 78:1810 79:2988 80:2116 81:1786 82:1492 83:1261 84:1509 85:3010 86:757 87:2016 88:1171 89:3735 90:615 91:7748 92:2039 93:2614 94:3616 95:4039 96:1316 97:336 98:1136 99:744 100:91 101:1311 102:2779 103:31510 104:4590 105:505 106:949 107:2586 108:1046 109:4184 110:2108 111:3123 112:2042 113:1732 114:1662 115:1994 116:1893 117:2553 118:2612 119:1992 120:1796 121:1069 122:2593 123:2117 124:1572 125:2476 128:1401 129:1049 130:1000 131:1965 132:847 133:422 134:1815 135:306 136:879 137:944 138:2552 139:1544 140:1260 141:1439 142:1451 143:1509 144:1127 145:344 146:1939 147:1587 148:2401 149:2234 150:885 151:1159 152:1934 153:490 154:4568 155:1421 156:1811 157:1318 158:1085 159:2260 160:2554 161:1541 162:3513 163:1533 164:1636 165:1831 166:1085 167:1714 168:3838 169:945 170:4592 171:900 172:3579 173:2964 174:1072 175:1172 176:3695 177:4565 178:3612 179:2168 180:2457 181:3475 182:3394 183:2082 184:2338 185:20335 186:4803 187:3964 188:4106 189:3666 190:9208 191:1450 192:10895 193:8906 194:7325 195:5161 196:3205 197:2388 198:5891 199:6092 200:7902 201:5926 202:10318 203:10266 204:4550 205:3690 206:4228 207:3399 208:4091 209:4874 210:4172 211:2436 212:4221 213:3612 214:1090 215:59 216:6656 217:2729 218:1273 219:410 220:1758 221:962 222:683 223:2151 End of report