IPv4 R&E Routing Table Report 23:05 GMT Fri 29 Sep, 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: 923667 Prefixes after maximum aggregation (per Origin AS): 352162 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453183 Number of IPv4 prefixes with a valid ROA: 422373 Number of IPv4 prefixes with an invalid ROA: 1651 Number of IPv4 prefixes with no ROA: 499643 Total ASes present in the Internet Routing Table: 74689 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64236 Origin ASes announcing only one prefix: 26404 Transit ASes present in the Internet Routing Table: 10453 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1001 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 42723 Number of 32-bit ASNs visible in the Routing Table: 35116 Prefixes from 32-bit ASNs in the Routing Table: 175125 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3052489984 Equivalent to 181 /8s, 241 /16s and 77 /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: 99.5 Total number of prefixes smaller than registry allocations: 308369 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241431 Total APNIC prefixes after maximum aggregation: 70172 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235069 Unique aggregates announced from the APNIC address blocks: 98844 APNIC Region origin ASes present in the Internet Routing Table: 13579 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4058 APNIC Region transit ASes present in the Internet Routing Table: 1814 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8971 Number of APNIC addresses announced to Internet: 772342016 Equivalent to 46 /8s, 9 /16s and 1 /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: 271171 Total ARIN prefixes after maximum aggregation: 123345 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274702 Unique aggregates announced from the ARIN address blocks: 131823 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.42 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1881 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1277165568 Equivalent to 76 /8s, 32 /16s and 0 /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: 261565 Total RIPE prefixes after maximum aggregation: 123628 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256799 Unique aggregates announced from the RIPE address blocks: 160070 RIPE Region origin ASes present in the Internet Routing Table: 28408 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: 3906 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11340 Number of RIPE addresses announced to Internet: 716414976 Equivalent to 42 /8s, 179 /16s and 160 /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: 118367 Total LACNIC prefixes after maximum aggregation: 28345 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117292 Unique aggregates announced from the LACNIC address blocks: 49372 LACNIC Region origin ASes present in the Internet Routing Table: 11025 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2699 LACNIC Region transit ASes present in the Internet Routing Table: 2338 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8847 Number of LACNIC addresses announced to Internet: 178468352 Equivalent to 10 /8s, 163 /16s and 54 /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: 30132 Total AfriNIC prefixes after maximum aggregation: 5976 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39279 Unique aggregates announced from the AfriNIC address blocks: 12635 AfriNIC Region origin ASes present in the Internet Routing Table: 1796 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1140 Number of AfriNIC addresses announced to Internet: 107673088 Equivalent to 6 /8s, 106 /16s and 246 /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 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5734 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3595 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3328 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3187 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2523 849 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 201 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 10992 3235 AMAZON-02, US 11492 4531 301 672 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3529 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2998 3822 1414 DNIC-ASBLK-00306-00371, US 16625 2979 1406 2280 AKAMAI-AS, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 30036 2497 359 380 MEDIACOM-ENTERPRISE-BUSINESS, 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4060 3398 152 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2903 2296 913 ROSTELECOM-AS, RU 9009 2900 265 1484 M247, RO 34984 2334 361 596 TELLCOM-AS, TR 58224 1723 923 527 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1487 1852 16 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 11811 3382 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2405 331 621 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1105 179 427 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1605 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 525 55 50 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 462 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 11811 3382 601 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9100 10992 3235 AMAZON-02, US 12479 7389 1713 145 UNI2-AS, ES 7545 5734 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4531 301 672 CABLEONE, US 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4060 3398 152 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 9484 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7389 7244 UNI2-AS, ES 16509 9100 5865 AMAZON-02, US 7545 5734 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4254 4229 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4060 3908 AKAMAI-ASN1, NL 11492 4531 3859 CABLEONE, US 7552 3595 3575 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 /11:101 /12:299 /13:578 /14:1194 /15:2093 /16:13444 /17:8226 /18:13744 /19:24835 /20:43136 /21:50821 /22:109596 /23:98640 /24:556884 /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 6476 7389 UNI2-AS, ES 8151 5829 11811 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3444 4531 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3529 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3542 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) ---------------------------------------------- 1:2209 2:1402 3:266 4:5 5:4442 6:137 7:6 8:1499 9:1 11:172 12:1512 13:369 14:2318 15:305 16:194 17:368 18:659 20:287 21:4 22:188 23:6418 24:2496 25:2 27:2583 29:19 31:2536 32:75 34:26 35:114 36:2001 37:4520 38:5365 39:864 40:144 41:4033 42:2062 43:2268 44:321 45:16595 46:4272 47:370 49:1821 50:1877 51:590 52:1592 54:393 55:963 56:5 57:123 58:1791 59:1116 60:1003 61:2539 62:2681 63:1908 64:5642 65:2346 66:4961 67:3036 68:1339 69:4125 70:1192 71:668 72:2850 74:2619 75:1561 76:629 77:2301 78:1825 79:2985 80:2102 81:1831 82:1501 83:1299 84:1545 85:3070 86:770 87:2003 88:1202 89:3910 90:620 91:7808 92:2062 93:2612 94:3514 95:4020 96:1299 97:315 98:1080 99:730 100:90 101:1287 102:2894 103:32104 104:4730 105:576 106:906 107:2693 108:1129 109:4236 110:2129 111:3146 112:2059 113:1749 114:1684 115:1995 116:1874 117:2539 118:2697 119:1962 120:1776 121:1119 122:2597 123:2165 124:1570 125:2543 128:1393 129:908 130:1037 131:1973 132:857 133:408 134:1725 135:306 136:971 137:971 138:2624 139:1576 140:1281 141:1326 142:1504 143:1543 144:1002 145:355 146:1938 147:1603 148:2433 149:2267 150:875 151:1228 152:1983 153:522 154:5061 155:1386 156:1963 157:1335 158:1055 159:2241 160:2634 161:1593 162:3541 163:1598 164:1691 165:1860 166:1055 167:1736 168:3730 169:879 170:4621 171:920 172:3769 173:2957 174:980 175:1180 176:3772 177:4455 178:3534 179:2151 180:2474 181:3528 182:3369 183:1993 184:2275 185:20596 186:4682 187:4178 188:4161 189:3857 190:9262 191:1364 192:10952 193:8946 194:7303 195:5207 196:3165 197:2475 198:5921 199:6134 200:7879 201:6070 202:10195 203:9997 204:4541 205:3689 206:4314 207:3398 208:4123 209:4869 210:4211 211:2446 212:4264 213:3385 214:1113 215:70 216:6679 217:2782 218:1266 219:405 220:1801 221:981 222:663 223:2145 End of report