IPv4 R&E Routing Table Report 23:05 GMT Thu 10 Aug, 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: 920018 Prefixes after maximum aggregation (per Origin AS): 350418 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452346 Number of IPv4 prefixes with a valid ROA: 415457 Number of IPv4 prefixes with an invalid ROA: 1493 Number of IPv4 prefixes with no ROA: 503068 Total ASes present in the Internet Routing Table: 74532 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64033 Origin ASes announcing only one prefix: 26306 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1077 Number of instances of unregistered ASNs: 1079 Number of 32-bit ASNs allocated by the RIRs: 42397 Number of 32-bit ASNs visible in the Routing Table: 34884 Prefixes from 32-bit ASNs in the Routing Table: 173307 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 587 Number of addresses announced to Internet: 3051522048 Equivalent to 181 /8s, 226 /16s and 136 /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: 307636 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240543 Total APNIC prefixes after maximum aggregation: 69518 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234307 Unique aggregates announced from the APNIC address blocks: 98759 APNIC Region origin ASes present in the Internet Routing Table: 13491 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3982 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8869 Number of APNIC addresses announced to Internet: 772870656 Equivalent to 46 /8s, 17 /16s and 18 /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: 270370 Total ARIN prefixes after maximum aggregation: 123335 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272391 Unique aggregates announced from the ARIN address blocks: 130676 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4803 Number of ARIN addresses announced to Internet: 1275611392 Equivalent to 76 /8s, 8 /16s and 73 /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: 259799 Total RIPE prefixes after maximum aggregation: 122492 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256649 Unique aggregates announced from the RIPE address blocks: 159922 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3949 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11295 Number of RIPE addresses announced to Internet: 716705536 Equivalent to 42 /8s, 184 /16s and 15 /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: 118161 Total LACNIC prefixes after maximum aggregation: 28435 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117258 Unique aggregates announced from the LACNIC address blocks: 49815 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8806 Number of LACNIC addresses announced to Internet: 178413568 Equivalent to 10 /8s, 162 /16s and 96 /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: 30068 Total AfriNIC prefixes after maximum aggregation: 5901 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 38826 Unique aggregates announced from the AfriNIC address blocks: 12684 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107505408 Equivalent to 6 /8s, 104 /16s and 103 /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 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5695 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3231 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3064 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2482 844 406 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 8789 10960 3200 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3549 3053 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3149 54961 2401 DNIC-AS-00749, US 16625 3089 1510 2324 AKAMAI-AS, US 367 2978 3827 1412 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 405 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 7338 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4073 3398 154 AKAMAI-ASN1, NL 8551 3454 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 912 ROSTELECOM-AS, RU 9009 2670 247 1394 M247, RO 34984 2312 361 601 TELLCOM-AS, TR 58224 1818 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1569 104 1224 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 11474 3358 607 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2427 362 636 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 767 168 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1041 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 533 54 48 WANANCHI-, KE 37342 480 32 1 MOVITEL, MZ 24757 440 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 11474 3358 607 UNINET, MX 9808 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8789 10960 3200 AMAZON-02, US 12479 7338 1713 145 UNI2-AS, ES 7545 5695 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4073 3398 154 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 9521 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7338 7193 UNI2-AS, ES 16509 8789 5589 AMAZON-02, US 7545 5695 5009 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4073 3919 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3650 3629 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 17054 EXPEDIENT, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 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 /11:102 /12:295 /13:572 /14:1194 /15:2099 /16:13449 /17:8207 /18:13728 /19:24813 /20:43189 /21:50936 /22:109361 /23:98260 /24:553736 /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 6424 7338 UNI2-AS, ES 8151 5505 11474 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2923 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3549 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3534 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) ---------------------------------------------- 1:2207 2:1338 3:229 4:5 5:4534 6:134 7:6 8:1515 9:1 11:172 12:1516 13:373 14:2275 15:302 16:194 17:374 18:590 20:278 21:4 22:188 23:6366 24:2479 25:6 27:2536 29:19 31:2523 32:78 34:26 35:111 36:1983 37:4579 38:5124 39:839 40:147 41:4052 42:2043 43:2314 44:316 45:16483 46:4275 47:384 49:1777 50:1851 51:585 52:1594 54:391 55:965 56:8 57:121 58:1818 59:1121 60:993 61:2500 62:2683 63:1916 64:5564 65:2282 66:4906 67:3003 68:1321 69:4085 70:1203 71:680 72:2973 74:2609 75:1576 76:615 77:2441 78:1836 79:2974 80:2116 81:1797 82:1491 83:1282 84:1527 85:2970 86:766 87:1990 88:1170 89:3857 90:617 91:7818 92:2058 93:2594 94:3529 95:4008 96:1293 97:319 98:1087 99:735 100:90 101:1302 102:2894 103:31916 104:4538 105:565 106:880 107:2548 108:1106 109:4240 110:2109 111:3132 112:2055 113:1736 114:1645 115:1991 116:1893 117:2553 118:2664 119:1966 120:1782 121:1085 122:2572 123:2144 124:1577 125:2473 128:1391 129:1037 130:1015 131:1962 132:845 133:422 134:1784 135:306 136:899 137:969 138:2645 139:1565 140:1240 141:1293 142:1462 143:1487 144:995 145:342 146:1946 147:1605 148:2409 149:2100 150:880 151:1172 152:1960 153:512 154:4685 155:1376 156:1894 157:1321 158:1081 159:2222 160:2606 161:1576 162:3510 163:1572 164:1709 165:1843 166:972 167:1725 168:3835 169:926 170:4579 171:900 172:3634 173:2971 174:993 175:1182 176:3732 177:4505 178:3542 179:2145 180:2449 181:3495 182:3407 183:1994 184:2295 185:20521 186:4730 187:4091 188:4130 189:3724 190:9222 191:1398 192:10915 193:8938 194:7286 195:5159 196:3188 197:2427 198:5919 199:6063 200:7923 201:5962 202:10242 203:10024 204:4529 205:3641 206:4248 207:3375 208:4137 209:4885 210:4197 211:2437 212:4266 213:3572 214:1093 215:60 216:6676 217:2774 218:1267 219:414 220:1799 221:969 222:665 223:2162 End of report