IPv4 R&E Routing Table Report 23:05 GMT Fri 02 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: 917561 Prefixes after maximum aggregation (per Origin AS): 348836 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450233 Number of IPv4 prefixes with a valid ROA: 406114 Number of IPv4 prefixes with an invalid ROA: 1694 Number of IPv4 prefixes with no ROA: 509753 Total ASes present in the Internet Routing Table: 74313 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63819 Origin ASes announcing only one prefix: 26259 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 438 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: 1072 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 42003 Number of 32-bit ASNs visible in the Routing Table: 34599 Prefixes from 32-bit ASNs in the Routing Table: 171294 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: 3054777856 Equivalent to 182 /8s, 20 /16s and 54 /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: 307684 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239624 Total APNIC prefixes after maximum aggregation: 68682 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233674 Unique aggregates announced from the APNIC address blocks: 98325 APNIC Region origin ASes present in the Internet Routing Table: 13347 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3926 APNIC Region transit ASes present in the Internet Routing Table: 1784 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: 8721 Number of APNIC addresses announced to Internet: 772826112 Equivalent to 46 /8s, 16 /16s and 100 /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: 268896 Total ARIN prefixes after maximum aggregation: 122616 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271766 Unique aggregates announced from the ARIN address blocks: 130625 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 7004 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 1279948288 Equivalent to 76 /8s, 74 /16s and 118 /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: 260252 Total RIPE prefixes after maximum aggregation: 122560 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256123 Unique aggregates announced from the RIPE address blocks: 158860 RIPE Region origin ASes present in the Internet Routing Table: 28313 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3984 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: 11193 Number of RIPE addresses announced to Internet: 717793792 Equivalent to 42 /8s, 200 /16s and 170 /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: 118379 Total LACNIC prefixes after maximum aggregation: 28349 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117550 Unique aggregates announced from the LACNIC address blocks: 49516 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2650 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: 176984832 Equivalent to 10 /8s, 140 /16s and 147 /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: 29338 Total AfriNIC prefixes after maximum aggregation: 5850 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37874 Unique aggregates announced from the AfriNIC address blocks: 12437 AfriNIC Region origin ASes present in the Internet Routing Table: 1744 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 106830080 Equivalent to 6 /8s, 94 /16s and 25 /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 5724 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4210 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3018 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2405 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 200 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 8470 10820 3067 AMAZON-02, US 11492 4523 300 612 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3566 3052 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3128 54970 2380 DNIC-AS-00749, US 16625 3074 1544 2323 AKAMAI-AS, US 396982 2660 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2449 24002 1533 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 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 160 AKAMAI-ASN1, NL 8551 3875 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1389 M247, RO 34984 2278 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1826 945 533 TCI, IR 61317 1646 110 1276 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 11302 3356 612 Uninet S.A. de C.V., MX 10620 3518 507 856 Telmex Colombia S.A., CO 13999 2371 364 630 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 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 1027 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 1572 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 1034 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 482 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 11302 3356 612 Uninet S.A. de C.V., MX 9808 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8470 10820 3067 AMAZON-02, US 12479 7301 1707 141 UNI2-AS, ES 7545 5724 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 612 CABLEONE, US 18403 4210 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4084 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 7301 7160 UNI2-AS, ES 16509 8470 5403 AMAZON-02, US 7545 5724 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4210 4185 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4084 3924 AKAMAI-ASN1, NL 11492 4523 3911 CABLEONE, US 8551 3875 3841 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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., 3507 UNALLOCATED 5.105.206.0/24 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 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 /14:1196 /15:2095 /16:13421 /17:8145 /18:13701 /19:24746 /20:42896 /21:50927 /22:109097 /23:97793 /24:552484 /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 6385 7301 UNI2-AS, ES 8151 5283 11302 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 8551 3348 3875 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3523 SHAW, CA 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2634 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3518 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) ---------------------------------------------- 1:2145 2:1240 3:198 4:5 5:4541 6:131 7:6 8:1497 9:1 11:172 12:1532 13:385 14:2300 15:304 16:191 17:370 18:452 20:263 21:4 22:188 23:6286 24:2594 25:6 27:2486 29:19 31:2500 32:79 34:21 35:109 36:1973 37:4658 38:4748 39:845 40:151 41:3878 42:1975 43:2340 44:307 45:16467 46:4320 47:375 49:1745 50:1860 51:585 52:1591 54:394 55:869 56:8 57:117 58:1787 59:1054 60:984 61:2536 62:2683 63:1921 64:5655 65:2307 66:4987 67:2974 68:1341 69:4123 70:1202 71:670 72:2996 74:2609 75:1557 76:606 77:2431 78:1811 79:3185 80:2136 81:1790 82:1489 83:1261 84:1524 85:3006 86:772 87:2034 88:1167 89:3674 90:614 91:7760 92:2063 93:2613 94:3619 95:4041 96:1309 97:336 98:1114 99:745 100:79 101:1314 102:2757 103:31370 104:4602 105:504 106:939 107:2587 108:1037 109:4393 110:2083 111:3122 112:1981 113:1732 114:1648 115:2000 116:1881 117:2536 118:2622 119:2005 120:1793 121:1063 122:2573 123:2128 124:1572 125:2462 128:1418 129:1045 130:1001 131:1972 132:850 133:420 134:1910 135:306 136:882 137:951 138:2555 139:1540 140:1240 141:1424 142:1443 143:1527 144:1147 145:347 146:1933 147:1586 148:2397 149:2239 150:877 151:1153 152:1921 153:488 154:4529 155:1448 156:1812 157:1234 158:1078 159:2228 160:2553 161:1548 162:3512 163:1478 164:1612 165:1794 166:1103 167:1734 168:3841 169:945 170:4594 171:899 172:3577 173:2958 174:1056 175:1169 176:3688 177:4667 178:3574 179:2239 180:2542 181:3478 182:3394 183:2084 184:2337 185:20307 186:4801 187:3999 188:4093 189:3669 190:9193 191:1475 192:10899 193:8873 194:7301 195:5147 196:3162 197:2376 198:5889 199:6094 200:7948 201:5911 202:10375 203:10274 204:4558 205:3669 206:4213 207:3394 208:4085 209:4878 210:4149 211:2440 212:4180 213:3623 214:1112 215:59 216:6651 217:2717 218:1239 219:410 220:1758 221:955 222:682 223:2149 End of report