IPv4 R&E Routing Table Report 23:05 GMT Wed 21 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: 919406 Prefixes after maximum aggregation (per Origin AS): 349398 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450935 Number of IPv4 prefixes with a valid ROA: 407858 Number of IPv4 prefixes with an invalid ROA: 1749 Number of IPv4 prefixes with no ROA: 509799 Total ASes present in the Internet Routing Table: 74402 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63894 Origin ASes announcing only one prefix: 26278 Transit ASes present in the Internet Routing Table: 10508 Transit-only ASes present in the Internet Routing Table: 440 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: 1027 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 42108 Number of 32-bit ASNs visible in the Routing Table: 34697 Prefixes from 32-bit ASNs in the Routing Table: 172008 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: 561 Number of addresses announced to Internet: 3054473472 Equivalent to 182 /8s, 15 /16s and 145 /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: 307939 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240308 Total APNIC prefixes after maximum aggregation: 68773 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234422 Unique aggregates announced from the APNIC address blocks: 98518 APNIC Region origin ASes present in the Internet Routing Table: 13393 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8778 Number of APNIC addresses announced to Internet: 773120256 Equivalent to 46 /8s, 20 /16s and 225 /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: 269966 Total ARIN prefixes after maximum aggregation: 122920 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272486 Unique aggregates announced from the ARIN address blocks: 130670 ARIN Region origin ASes present in the Internet Routing Table: 19087 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: 1901 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: 4805 Number of ARIN addresses announced to Internet: 1279251456 Equivalent to 76 /8s, 63 /16s and 212 /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: 260145 Total RIPE prefixes after maximum aggregation: 122770 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256258 Unique aggregates announced from the RIPE address blocks: 159332 RIPE Region origin ASes present in the Internet Routing Table: 28340 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3973 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: 11219 Number of RIPE addresses announced to Internet: 717459968 Equivalent to 42 /8s, 195 /16s and 146 /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: 118290 Total LACNIC prefixes after maximum aggregation: 28367 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117405 Unique aggregates announced from the LACNIC address blocks: 49526 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2313 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: 8796 Number of LACNIC addresses announced to Internet: 176937472 Equivalent to 10 /8s, 139 /16s and 218 /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: 29670 Total AfriNIC prefixes after maximum aggregation: 5836 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38274 Unique aggregates announced from the AfriNIC address blocks: 12431 AfriNIC Region origin ASes present in the Internet Routing Table: 1746 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1099 Number of AfriNIC addresses announced to Internet: 107380736 Equivalent to 6 /8s, 102 /16s and 128 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4232 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3672 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3036 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2431 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2188 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 8502 10861 3123 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4166 288 85 VIASAT-SP-BACKBONE, US 22773 3550 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3127 1556 2350 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2664 3594 377 GOOGLE-CLOUD-PLATFORM, US 30036 2509 360 397 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2455 24006 1558 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 7310 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4091 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 2298 361 606 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 11443 3374 593 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2366 354 634 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 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 1029 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 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1039 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 24757 495 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 11443 3374 593 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8502 10861 3123 AMAZON-02, US 12479 7310 1706 141 UNI2-AS, ES 7545 5674 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4232 347 26 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 85 VIASAT-SP-BACKBONE, US 20940 4091 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7310 7169 UNI2-AS, ES 16509 8502 5379 AMAZON-02, US 7545 5674 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4232 4206 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4081 VIASAT-SP-BACKBONE, US 20940 4091 3930 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7552 3672 3651 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 /13:578 /14:1200 /15:2101 /16:13413 /17:8172 /18:13720 /19:24849 /20:42943 /21:51044 /22:109398 /23:98043 /24:553464 /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 6398 7310 UNI2-AS, ES 8151 5366 11443 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3126 4166 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) ---------------------------------------------- 1:2167 2:1324 3:210 4:5 5:4536 6:130 7:6 8:1509 9:1 11:172 12:1524 13:387 14:2305 15:304 16:190 17:370 18:466 20:261 21:4 22:188 23:6301 24:2593 25:6 27:2524 29:19 31:2502 32:78 34:22 35:111 36:1982 37:4676 38:4879 39:845 40:151 41:3940 42:2010 43:2309 44:309 45:16525 46:4284 47:377 49:1746 50:1867 51:585 52:1593 54:392 55:977 56:8 57:120 58:1817 59:1111 60:981 61:2550 62:2666 63:1909 64:5640 65:2317 66:5025 67:3057 68:1344 69:4132 70:1218 71:675 72:2986 74:2616 75:1564 76:614 77:2449 78:1813 79:2989 80:2120 81:1793 82:1495 83:1257 84:1517 85:2997 86:747 87:2014 88:1175 89:3732 90:616 91:7746 92:2045 93:2610 94:3620 95:4039 96:1314 97:336 98:1134 99:745 100:93 101:1310 102:2782 103:31576 104:4605 105:505 106:960 107:2580 108:1042 109:4196 110:2100 111:3118 112:2050 113:1727 114:1630 115:1981 116:1898 117:2560 118:2604 119:1979 120:1800 121:1071 122:2604 123:2130 124:1573 125:2477 128:1414 129:1043 130:1008 131:1975 132:842 133:422 134:1791 135:308 136:888 137:946 138:2554 139:1546 140:1258 141:1448 142:1451 143:1487 144:1125 145:340 146:1942 147:1580 148:2403 149:2212 150:886 151:1161 152:1945 153:492 154:4583 155:1416 156:1812 157:1313 158:1082 159:2265 160:2559 161:1552 162:3509 163:1538 164:1617 165:1851 166:1084 167:1713 168:3826 169:949 170:4564 171:903 172:3595 173:2964 174:1071 175:1177 176:3755 177:4527 178:3611 179:2154 180:2468 181:3499 182:3402 183:2071 184:2338 185:20392 186:4805 187:3982 188:4101 189:3673 190:9212 191:1419 192:10872 193:8910 194:7334 195:5157 196:3211 197:2389 198:5892 199:6084 200:7892 201:5928 202:10311 203:10248 204:4545 205:3711 206:4255 207:3388 208:4120 209:4880 210:4170 211:2437 212:4230 213:3621 214:1092 215:59 216:6653 217:2737 218:1275 219:410 220:1753 221:962 222:682 223:2171 End of report