IPv4 R&E Routing Table Report 23:05 GMT Wed 08 Nov, 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: 926681 Prefixes after maximum aggregation (per Origin AS): 354474 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 454389 Number of IPv4 prefixes with a valid ROA: 427207 Number of IPv4 prefixes with an invalid ROA: 1410 Number of IPv4 prefixes with no ROA: 498064 Total ASes present in the Internet Routing Table: 74834 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64374 Origin ASes announcing only one prefix: 26448 Transit ASes present in the Internet Routing Table: 10460 Transit-only ASes present in the Internet Routing Table: 462 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1039 Number of instances of unregistered ASNs: 1041 Number of 32-bit ASNs allocated by the RIRs: 43010 Number of 32-bit ASNs visible in the Routing Table: 35289 Prefixes from 32-bit ASNs in the Routing Table: 176427 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3049548032 Equivalent to 181 /8s, 196 /16s and 105 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309408 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242762 Total APNIC prefixes after maximum aggregation: 70768 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236043 Unique aggregates announced from the APNIC address blocks: 98896 APNIC Region origin ASes present in the Internet Routing Table: 13631 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4076 APNIC Region transit ASes present in the Internet Routing Table: 1824 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9029 Number of APNIC addresses announced to Internet: 771601664 Equivalent to 45 /8s, 253 /16s and 181 /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: 272259 Total ARIN prefixes after maximum aggregation: 124063 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276625 Unique aggregates announced from the ARIN address blocks: 132268 ARIN Region origin ASes present in the Internet Routing Table: 19027 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1276346624 Equivalent to 76 /8s, 19 /16s and 129 /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: 261524 Total RIPE prefixes after maximum aggregation: 124435 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256279 Unique aggregates announced from the RIPE address blocks: 160571 RIPE Region origin ASes present in the Internet Routing Table: 28471 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11419 Number of RIPE addresses announced to Internet: 715322368 Equivalent to 42 /8s, 162 /16s and 244 /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 196608-216475 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: 119055 Total LACNIC prefixes after maximum aggregation: 28463 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117917 Unique aggregates announced from the LACNIC address blocks: 49376 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2333 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: 8875 Number of LACNIC addresses announced to Internet: 178316032 Equivalent to 10 /8s, 160 /16s and 227 /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: 30042 Total AfriNIC prefixes after maximum aggregation: 6023 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39305 Unique aggregates announced from the AfriNIC address blocks: 12851 AfriNIC Region origin ASes present in the Internet Routing Table: 1805 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107533568 Equivalent to 6 /8s, 104 /16s and 213 /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 9585 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5717 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3259 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3247 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2575 851 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9100 11022 3361 AMAZON-02, US 11492 4545 302 674 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3513 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3096 1380 2291 AKAMAI-AS, US 367 3027 3843 1433 DNIC-ASBLK-00306-00371, US 396982 2712 3599 402 GOOGLE-CLOUD-PLATFORM, US 7018 2524 23616 1601 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 7431 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4000 3397 140 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3425 297 1596 M247, RO 12389 2896 2295 912 ROSTELECOM-AS, RU 34984 2322 361 590 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1517 1852 14 TE-AS TE-AS, EG 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 11995 3372 606 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2443 332 633 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1296 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1583 391 38 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 479 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 11995 3372 606 UNINET, MX 9808 9585 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9100 11022 3361 AMAZON-02, US 12479 7431 1713 145 UNI2-AS, ES 7545 5717 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4545 302 674 CABLEONE, US 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4000 3397 140 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 9585 9545 CHINAMOBILE-CN China Mobile Communications Grou 12479 7431 7286 UNI2-AS, ES 16509 9100 5739 AMAZON-02, US 7545 5717 5022 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4264 4239 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4545 3871 CABLEONE, US 20940 4000 3860 AKAMAI-ASN1, NL 7552 3613 3593 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13416 /17:8215 /18:13677 /19:24796 /20:43132 /21:51088 /22:109782 /23:98850 /24:559423 /25:0 /26:2 /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 6521 7431 UNI2-AS, ES 8151 6010 11995 UNINET, MX 11492 3458 4545 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2568 3513 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2222 2:1432 3:273 4:5 5:4373 6:162 7:6 8:1498 9:1 11:172 12:1496 13:333 14:2315 15:304 16:203 17:366 18:672 20:318 21:4 22:188 23:6497 24:2540 25:2 27:2579 29:19 31:2553 32:58 34:30 35:115 36:2023 37:4457 38:5542 39:864 40:149 41:3970 42:2076 43:2274 44:326 45:16721 46:4353 47:371 49:1861 50:1872 51:576 52:1582 54:390 55:885 56:5 57:125 58:1811 59:1113 60:1012 61:2575 62:2670 63:1897 64:5506 65:2336 66:4959 67:3058 68:1346 69:4122 70:1176 71:605 72:2934 74:2628 75:1565 76:636 77:2330 78:1828 79:3012 80:2112 81:1844 82:1523 83:1302 84:1603 85:2970 86:775 87:1936 88:1228 89:3946 90:628 91:7879 92:2133 93:2631 94:3566 95:3998 96:1299 97:315 98:1085 99:735 100:91 101:1388 102:2940 103:32197 104:4823 105:573 106:980 107:2790 108:1137 109:4211 110:2135 111:3139 112:2065 113:1677 114:1703 115:1992 116:1914 117:2552 118:2711 119:1941 120:1767 121:1184 122:2610 123:2175 124:1579 125:2616 128:1411 129:908 130:1048 131:1968 132:809 133:408 134:1692 135:301 136:900 137:981 138:2716 139:1559 140:1328 141:1323 142:1545 143:1519 144:1000 145:341 146:1961 147:1621 148:2463 149:2334 150:874 151:1247 152:1830 153:533 154:5277 155:1393 156:2078 157:1356 158:1058 159:2193 160:2621 161:1598 162:3519 163:1604 164:1646 165:1852 166:1063 167:1749 168:3832 169:788 170:4666 171:959 172:3873 173:2987 174:978 175:1186 176:3604 177:4600 178:3531 179:2225 180:2293 181:3576 182:3373 183:1992 184:2268 185:20594 186:4703 187:4247 188:4058 189:3980 190:9241 191:1448 192:10967 193:8961 194:7302 195:5199 196:3131 197:2504 198:5918 199:6456 200:7945 201:6188 202:10233 203:9999 204:4531 205:3687 206:4341 207:3421 208:4099 209:4893 210:4217 211:2443 212:4260 213:3397 214:1117 215:71 216:6716 217:2771 218:1279 219:409 220:1801 221:1001 222:682 223:2180 End of report