IPv4 R&E Routing Table Report 23:05 GMT Mon 05 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: 917311 Prefixes after maximum aggregation (per Origin AS): 348761 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450171 Number of IPv4 prefixes with a valid ROA: 405880 Number of IPv4 prefixes with an invalid ROA: 1717 Number of IPv4 prefixes with no ROA: 509714 Total ASes present in the Internet Routing Table: 74302 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63808 Origin ASes announcing only one prefix: 26250 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 41 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: 1071 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 42021 Number of 32-bit ASNs visible in the Routing Table: 34594 Prefixes from 32-bit ASNs in the Routing Table: 171100 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 574 Number of addresses announced to Internet: 3055074304 Equivalent to 182 /8s, 24 /16s and 188 /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: 307392 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239612 Total APNIC prefixes after maximum aggregation: 68714 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233644 Unique aggregates announced from the APNIC address blocks: 98346 APNIC Region origin ASes present in the Internet Routing Table: 13350 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3927 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: 8723 Number of APNIC addresses announced to Internet: 772873472 Equivalent to 46 /8s, 17 /16s and 29 /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: 269040 Total ARIN prefixes after maximum aggregation: 122600 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271888 Unique aggregates announced from the ARIN address blocks: 130630 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6997 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4798 Number of ARIN addresses announced to Internet: 1280122880 Equivalent to 76 /8s, 77 /16s and 32 /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: 259898 Total RIPE prefixes after maximum aggregation: 122488 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255815 Unique aggregates announced from the RIPE address blocks: 158839 RIPE Region origin ASes present in the Internet Routing Table: 28308 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11186 Number of RIPE addresses announced to Internet: 717639680 Equivalent to 42 /8s, 198 /16s and 80 /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: 118151 Total LACNIC prefixes after maximum aggregation: 28336 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117325 Unique aggregates announced from the LACNIC address blocks: 49468 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: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2286 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8793 Number of LACNIC addresses announced to Internet: 177001984 Equivalent to 10 /8s, 140 /16s and 214 /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: 29539 Total AfriNIC prefixes after maximum aggregation: 5847 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38065 Unique aggregates announced from the AfriNIC address blocks: 12418 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107041792 Equivalent to 6 /8s, 97 /16s and 84 /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 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3020 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2412 836 447 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2296 11252 586 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8503 10825 3057 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3565 3052 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3128 54970 2380 DNIC-AS-00749, US 16625 3073 1543 2321 AKAMAI-AS, US 396982 2660 3593 375 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2459 24003 1545 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 1707 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 160 AKAMAI-ASN1, NL 8551 3664 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1387 M247, RO 34984 2277 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1828 945 534 TCI, IR 61317 1664 111 1292 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 11379 3358 611 Uninet S.A. de C.V., MX 10620 3510 506 880 Telmex Colombia S.A., CO 13999 2364 362 635 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1332 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1028 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 1587 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 481 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 11379 3358 611 Uninet S.A. de C.V., MX 9808 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8503 10825 3057 AMAZON-02, US 12479 7302 1707 145 UNI2-AS, ES 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4093 3398 160 AKAMAI-ASN1, NL 7155 4052 282 62 VIASAT-SP-BACKBONE, US 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 9482 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7302 7157 UNI2-AS, ES 16509 8503 5446 AMAZON-02, US 7545 5722 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4181 4156 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4093 3933 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7552 3680 3659 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 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 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /15:2092 /16:13421 /17:8138 /18:13712 /19:24777 /20:42897 /21:50970 /22:109160 /23:97781 /24:552106 /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 6387 7302 UNI2-AS, ES 8151 5324 11379 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3333 3523 SHAW, CA 8551 3137 3664 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2633 3565 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2065 3510 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) ---------------------------------------------- 1:2144 2:1244 3:199 4:5 5:4533 6:131 7:6 8:1509 9:1 11:172 12:1533 13:387 14:2300 15:304 16:191 17:368 18:454 20:263 21:4 22:188 23:6289 24:2597 25:6 27:2486 29:19 31:2504 32:78 34:21 35:109 36:1972 37:4662 38:4759 39:845 40:151 41:3945 42:1955 43:2339 44:308 45:16412 46:4320 47:375 49:1746 50:1863 51:585 52:1597 54:394 55:867 56:8 57:116 58:1789 59:1055 60:983 61:2537 62:2682 63:1911 64:5647 65:2307 66:4976 67:3002 68:1340 69:4135 70:1202 71:670 72:2991 74:2602 75:1557 76:602 77:2434 78:1810 79:3179 80:2132 81:1791 82:1488 83:1257 84:1527 85:3006 86:765 87:2032 88:1168 89:3654 90:616 91:7759 92:2060 93:2611 94:3625 95:4046 96:1310 97:336 98:1121 99:744 100:81 101:1317 102:2757 103:31397 104:4594 105:504 106:943 107:2583 108:1042 109:4184 110:2087 111:3119 112:1982 113:1725 114:1660 115:1999 116:1880 117:2535 118:2621 119:2006 120:1793 121:1060 122:2573 123:2124 124:1573 125:2463 128:1421 129:1047 130:998 131:1973 132:851 133:420 134:1840 135:306 136:875 137:948 138:2544 139:1542 140:1259 141:1442 142:1449 143:1526 144:1142 145:347 146:1936 147:1589 148:2400 149:2239 150:881 151:1153 152:1927 153:489 154:4501 155:1446 156:1789 157:1234 158:1078 159:2228 160:2551 161:1548 162:3516 163:1477 164:1613 165:1794 166:1095 167:1734 168:3833 169:947 170:4587 171:902 172:3575 173:2960 174:1063 175:1170 176:3690 177:4595 178:3574 179:2207 180:2544 181:3479 182:3395 183:2083 184:2335 185:20300 186:4793 187:3996 188:4096 189:3684 190:9173 191:1447 192:10904 193:8877 194:7306 195:5144 196:3203 197:2375 198:5891 199:6094 200:7934 201:5904 202:10345 203:10267 204:4554 205:3697 206:4217 207:3388 208:4081 209:4876 210:4149 211:2441 212:4203 213:3624 214:1114 215:59 216:6644 217:2721 218:1239 219:410 220:1757 221:955 222:682 223:2150 End of report