IPv4 R&E Routing Table Report 23:05 GMT Tue 03 Oct, 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: 924062 Prefixes after maximum aggregation (per Origin AS): 352285 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453024 Number of IPv4 prefixes with a valid ROA: 422366 Number of IPv4 prefixes with an invalid ROA: 1759 Number of IPv4 prefixes with no ROA: 499937 Total ASes present in the Internet Routing Table: 74716 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64264 Origin ASes announcing only one prefix: 26440 Transit ASes present in the Internet Routing Table: 10452 Transit-only ASes present in the Internet Routing Table: 449 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: 990 Number of instances of unregistered ASNs: 992 Number of 32-bit ASNs allocated by the RIRs: 42752 Number of 32-bit ASNs visible in the Routing Table: 35144 Prefixes from 32-bit ASNs in the Routing Table: 175196 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: 529 Number of addresses announced to Internet: 3052397056 Equivalent to 181 /8s, 239 /16s and 226 /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: 308686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241318 Total APNIC prefixes after maximum aggregation: 70198 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234939 Unique aggregates announced from the APNIC address blocks: 98861 APNIC Region origin ASes present in the Internet Routing Table: 13594 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4078 APNIC Region transit ASes present in the Internet Routing Table: 1810 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: 8985 Number of APNIC addresses announced to Internet: 772233728 Equivalent to 46 /8s, 7 /16s and 90 /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: 271408 Total ARIN prefixes after maximum aggregation: 123407 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274924 Unique aggregates announced from the ARIN address blocks: 131661 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.44 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4814 Number of ARIN addresses announced to Internet: 1277182720 Equivalent to 76 /8s, 32 /16s and 67 /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: 261613 Total RIPE prefixes after maximum aggregation: 123628 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256783 Unique aggregates announced from the RIPE address blocks: 160036 RIPE Region origin ASes present in the Internet Routing Table: 28419 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12071 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: 11346 Number of RIPE addresses announced to Internet: 716322048 Equivalent to 42 /8s, 178 /16s and 53 /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: 118606 Total LACNIC prefixes after maximum aggregation: 28375 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117578 Unique aggregates announced from the LACNIC address blocks: 49359 LACNIC Region origin ASes present in the Internet Routing Table: 11031 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2337 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8853 Number of LACNIC addresses announced to Internet: 178547712 Equivalent to 10 /8s, 164 /16s and 108 /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: 30127 Total AfriNIC prefixes after maximum aggregation: 5986 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39309 Unique aggregates announced from the AfriNIC address blocks: 12666 AfriNIC Region origin ASes present in the Internet Routing Table: 1800 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 107682816 Equivalent to 6 /8s, 107 /16s and 28 /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 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3597 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3566 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3330 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3188 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 850 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 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 9065 10985 3249 AMAZON-02, US 11492 4537 301 673 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3521 3037 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3005 3838 1419 DNIC-ASBLK-00306-00371, US 16625 2987 1406 2286 AKAMAI-AS, US 396982 2699 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2494 358 385 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 7386 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4067 3398 152 AKAMAI-ASN1, NL 8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2296 913 ROSTELECOM-AS, RU 9009 2886 264 1474 M247, RO 34984 2334 361 596 TELLCOM-AS, TR 58224 1721 923 531 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1517 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 11814 3382 601 UNINET, MX 10620 3533 504 857 Telmex Colombia S.A., CO 13999 2405 331 623 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 3816 1297 766 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1071 169 429 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 1608 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 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 527 55 51 WANANCHI-, KE 37342 483 32 1 MOVITEL, MZ 24757 478 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 11814 3382 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9065 10985 3249 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 673 CABLEONE, US 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4067 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7386 7241 UNI2-AS, ES 16509 9065 5816 AMAZON-02, US 7545 5735 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4245 4220 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4067 3915 AKAMAI-ASN1, NL 11492 4537 3864 CABLEONE, US 7552 3597 3577 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 /15:2094 /16:13454 /17:8219 /18:13735 /19:24846 /20:43199 /21:50799 /22:109500 /23:98500 /24:557468 /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 6472 7386 UNI2-AS, ES 8151 5831 11814 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2920 3443 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3533 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) ---------------------------------------------- 1:2204 2:1409 3:266 4:5 5:4436 6:137 7:6 8:1497 9:1 11:172 12:1513 13:364 14:2318 15:304 16:191 17:368 18:655 20:287 21:4 22:188 23:6427 24:2508 25:2 27:2585 29:19 31:2536 32:75 34:26 35:114 36:2001 37:4537 38:5431 39:865 40:142 41:4030 42:2057 43:2266 44:320 45:16600 46:4273 47:370 49:1823 50:1873 51:582 52:1594 54:392 55:949 56:5 57:124 58:1785 59:1115 60:1003 61:2540 62:2681 63:1910 64:5652 65:2351 66:4962 67:3030 68:1342 69:4130 70:1191 71:665 72:2939 74:2615 75:1561 76:628 77:2298 78:1827 79:2985 80:2108 81:1823 82:1520 83:1306 84:1544 85:3045 86:767 87:1995 88:1201 89:3908 90:622 91:7820 92:2062 93:2623 94:3522 95:4059 96:1301 97:315 98:1080 99:732 100:90 101:1288 102:2900 103:32109 104:4733 105:577 106:905 107:2739 108:1123 109:4227 110:2133 111:3141 112:2055 113:1749 114:1686 115:1995 116:1879 117:2534 118:2698 119:1956 120:1776 121:1119 122:2597 123:2166 124:1569 125:2542 128:1391 129:909 130:1036 131:1976 132:855 133:408 134:1781 135:306 136:971 137:973 138:2633 139:1577 140:1286 141:1331 142:1510 143:1552 144:1006 145:352 146:1939 147:1603 148:2466 149:2274 150:875 151:1228 152:1988 153:522 154:5059 155:1386 156:1985 157:1340 158:1056 159:2178 160:2642 161:1595 162:3514 163:1606 164:1693 165:1860 166:1056 167:1735 168:3723 169:802 170:4635 171:922 172:3790 173:2958 174:980 175:1182 176:3771 177:4482 178:3562 179:2149 180:2460 181:3532 182:3365 183:1992 184:2268 185:20622 186:4725 187:4156 188:4153 189:3865 190:9299 191:1372 192:10953 193:8962 194:7305 195:5206 196:3199 197:2432 198:5915 199:6154 200:7907 201:6162 202:10188 203:10001 204:4541 205:3703 206:4320 207:3398 208:4109 209:4898 210:4210 211:2446 212:4257 213:3386 214:1113 215:70 216:6679 217:2775 218:1267 219:405 220:1801 221:980 222:663 223:2145 End of report