IPv4 R&E Routing Table Report 23:05 GMT Sat 30 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: 923632 Prefixes after maximum aggregation (per Origin AS): 352273 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453107 Number of IPv4 prefixes with a valid ROA: 422156 Number of IPv4 prefixes with an invalid ROA: 1657 Number of IPv4 prefixes with no ROA: 499819 Total ASes present in the Internet Routing Table: 74689 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64243 Origin ASes announcing only one prefix: 26410 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1005 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 42734 Number of 32-bit ASNs visible in the Routing Table: 35116 Prefixes from 32-bit ASNs in the Routing Table: 175120 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3052303616 Equivalent to 181 /8s, 238 /16s and 117 /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: 308364 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241367 Total APNIC prefixes after maximum aggregation: 70162 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234994 Unique aggregates announced from the APNIC address blocks: 98830 APNIC Region origin ASes present in the Internet Routing Table: 13573 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4049 APNIC Region transit ASes present in the Internet Routing Table: 1812 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: 8965 Number of APNIC addresses announced to Internet: 772319488 Equivalent to 46 /8s, 8 /16s and 169 /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: 271404 Total ARIN prefixes after maximum aggregation: 123409 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274893 Unique aggregates announced from the ARIN address blocks: 131801 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1879 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: 1277230336 Equivalent to 76 /8s, 32 /16s and 253 /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: 261445 Total RIPE prefixes after maximum aggregation: 123687 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256727 Unique aggregates announced from the RIPE address blocks: 160030 RIPE Region origin ASes present in the Internet Routing Table: 28415 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12063 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: 716179712 Equivalent to 42 /8s, 176 /16s and 9 /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: 118309 Total LACNIC prefixes after maximum aggregation: 28346 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117238 Unique aggregates announced from the LACNIC address blocks: 49371 LACNIC Region origin ASes present in the Internet Routing Table: 11027 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2708 LACNIC Region transit ASes present in the Internet Routing Table: 2330 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: 8849 Number of LACNIC addresses announced to Internet: 178483712 Equivalent to 10 /8s, 163 /16s and 114 /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: 30102 Total AfriNIC prefixes after maximum aggregation: 5971 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39252 Unique aggregates announced from the AfriNIC address blocks: 12634 AfriNIC Region origin ASes present in the Internet Routing Table: 1793 AfriNIC Prefixes per ASN: 21.89 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: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1138 Number of AfriNIC addresses announced to Internet: 107663104 Equivalent to 6 /8s, 106 /16s and 207 /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 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 3330 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 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 9087 10989 3248 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 2997 3835 1412 DNIC-ASBLK-00306-00371, US 16625 2990 1411 2287 AKAMAI-AS, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 30036 2496 359 385 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4060 3398 152 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2903 2296 913 ROSTELECOM-AS, RU 9009 2899 264 1483 M247, RO 34984 2334 361 596 TELLCOM-AS, TR 58224 1633 841 603 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1488 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 11800 3382 606 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2407 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 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 526 55 50 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 477 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 11800 3382 606 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9087 10989 3248 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7389 7244 UNI2-AS, ES 16509 9087 5839 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 23.162.200.0/24 Origin: 62563 AS-GLOBALTELEHOST, CA 23.162.200.0/24 Transit: 174 COGENT-174, 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 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 /16:13448 /17:8216 /18:13743 /19:24838 /20:43127 /21:50804 /22:109564 /23:98582 /24:556968 /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 5819 11800 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 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3529 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 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 2:1401 3:266 4:5 5:4443 6:137 7:6 8:1499 9:1 11:172 12:1515 13:368 14:2316 15:304 16:194 17:368 18:657 20:287 21:4 22:188 23:6418 24:2502 25:2 27:2584 29:19 31:2532 32:75 34:26 35:114 36:2001 37:4519 38:5374 39:864 40:144 41:4033 42:2062 43:2268 44:321 45:16577 46:4271 47:370 49:1820 50:1877 51:590 52:1594 54:393 55:963 56:5 57:124 58:1790 59:1117 60:1003 61:2538 62:2680 63:1908 64:5647 65:2362 66:4960 67:3036 68:1339 69:4127 70:1194 71:668 72:2944 74:2619 75:1560 76:629 77:2300 78:1821 79:2983 80:2097 81:1825 82:1503 83:1302 84:1545 85:3062 86:771 87:2002 88:1202 89:3912 90:620 91:7813 92:2064 93:2610 94:3507 95:4023 96:1299 97:315 98:1080 99:731 100:90 101:1286 102:2889 103:32103 104:4730 105:576 106:906 107:2694 108:1129 109:4239 110:2130 111:3145 112:2058 113:1748 114:1685 115:1994 116:1873 117:2537 118:2683 119:1962 120:1776 121:1119 122:2592 123:2166 124:1570 125:2541 128:1393 129:912 130:1034 131:1978 132:857 133:408 134:1781 135:305 136:971 137:970 138:2615 139:1577 140:1281 141:1320 142:1505 143:1549 144:1002 145:352 146:1942 147:1603 148:2430 149:2275 150:875 151:1224 152:1981 153:522 154:5059 155:1388 156:1971 157:1338 158:1055 159:2242 160:2634 161:1595 162:3538 163:1600 164:1689 165:1860 166:1056 167:1735 168:3729 169:879 170:4625 171:920 172:3769 173:2957 174:980 175:1180 176:3774 177:4459 178:3530 179:2162 180:2475 181:3527 182:3366 183:1993 184:2274 185:20605 186:4690 187:4165 188:4165 189:3856 190:9260 191:1368 192:10948 193:8954 194:7307 195:5211 196:3175 197:2440 198:5910 199:6134 200:7874 201:6054 202:10181 203:9997 204:4542 205:3686 206:4317 207:3397 208:4124 209:4869 210:4210 211:2446 212:4265 213:3388 214:1111 215:70 216:6676 217:2779 218:1266 219:405 220:1801 221:981 222:663 223:2146 End of report