IPv4 R&E Routing Table Report 23:05 GMT Wed 17 Jan, 2024 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: 929437 Prefixes after maximum aggregation (per Origin AS): 355437 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455155 Number of IPv4 prefixes with a valid ROA: 436410 Number of IPv4 prefixes with an invalid ROA: 1163 Number of IPv4 prefixes with no ROA: 491864 Total ASes present in the Internet Routing Table: 75060 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64514 Origin ASes announcing only one prefix: 26526 Transit ASes present in the Internet Routing Table: 10546 Transit-only ASes present in the Internet Routing Table: 470 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 43403 Number of 32-bit ASNs visible in the Routing Table: 35640 Prefixes from 32-bit ASNs in the Routing Table: 178972 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: 479 Number of addresses announced to Internet: 3046268416 Equivalent to 181 /8s, 146 /16s and 94 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308337 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244633 Total APNIC prefixes after maximum aggregation: 71696 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237684 Unique aggregates announced from the APNIC address blocks: 99672 APNIC Region origin ASes present in the Internet Routing Table: 13813 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4152 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9228 Number of APNIC addresses announced to Internet: 774318592 Equivalent to 46 /8s, 39 /16s and 42 /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: 271886 Total ARIN prefixes after maximum aggregation: 123292 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276611 Unique aggregates announced from the ARIN address blocks: 131785 ARIN Region origin ASes present in the Internet Routing Table: 19003 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6943 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1271511040 Equivalent to 75 /8s, 201 /16s and 184 /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: 261377 Total RIPE prefixes after maximum aggregation: 125057 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255958 Unique aggregates announced from the RIPE address blocks: 160967 RIPE Region origin ASes present in the Internet Routing Table: 28504 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11524 Number of RIPE addresses announced to Internet: 714386688 Equivalent to 42 /8s, 148 /16s and 173 /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: 119913 Total LACNIC prefixes after maximum aggregation: 28631 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118563 Unique aggregates announced from the LACNIC address blocks: 49450 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2363 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: 8908 Number of LACNIC addresses announced to Internet: 178036480 Equivalent to 10 /8s, 156 /16s and 159 /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: 30564 Total AfriNIC prefixes after maximum aggregation: 6045 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40142 Unique aggregates announced from the AfriNIC address blocks: 12880 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.08 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1164 Number of AfriNIC addresses announced to Internet: 107731456 Equivalent to 6 /8s, 107 /16s and 218 /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 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4577 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3435 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3277 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2678 859 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 442 198 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9492 11203 3356 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3514 3044 303 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3241 1414 2322 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2967 3832 1429 DNIC-ASBLK-00306-00371, US 396982 2747 3639 391 GOOGLE-CLOUD-PLATFORM, US 7018 2518 23623 1581 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 7569 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3991 3396 132 AKAMAI-ASN1, NL 9009 3353 291 1607 M247, RO 12389 2891 2301 914 ROSTELECOM-AS, RU 8551 2748 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2326 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1483 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 12321 3380 614 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2493 338 639 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1221 340 499 Axtel, S.A.B. de C.V., MX 11664 1117 179 420 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1548 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1363 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1087 70 55 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 529 82 3 KENET-AS, KE 24757 483 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 12321 3380 614 UNINET, MX 9808 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9492 11203 3356 AMAZON-02, US 12479 7569 1714 146 UNI2-AS, ES 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4577 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3991 3396 132 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 9772 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7569 7423 UNI2-AS, ES 16509 9492 6136 AMAZON-02, US 7545 5680 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4577 4552 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3991 3859 AKAMAI-ASN1, NL 7552 3865 3845 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 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /10:36 /11:99 /12:300 /13:575 /14:1193 /15:2064 /16:13392 /17:8126 /18:13625 /19:24682 /20:43134 /21:51173 /22:109830 /23:98281 /24:562889 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6651 7569 UNI2-AS, ES 8151 6298 12321 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2552 3514 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2224 2748 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2127 2470 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1469 3:283 4:5 5:4422 6:163 7:6 8:1494 9:1 11:172 12:1480 13:377 14:2336 15:310 16:202 17:361 18:716 20:346 21:4 22:188 23:6591 24:2675 25:2 27:2512 29:19 31:2538 32:53 34:36 35:119 36:2151 37:4485 38:5930 39:887 40:149 41:4138 42:2211 43:2288 44:326 45:16670 46:4300 47:284 49:1894 50:1878 51:574 52:1591 54:361 55:756 56:5 57:129 58:1877 59:1112 60:1015 61:2600 62:2724 63:1902 64:5503 65:2341 66:4865 67:3041 68:1335 69:4064 70:1176 71:579 72:2915 74:2640 75:1554 76:621 77:2335 78:1827 79:2520 80:2128 81:1895 82:1527 83:1302 84:1625 85:3052 86:773 87:1958 88:1219 89:3943 90:659 91:7898 92:2177 93:2632 94:3596 95:4018 96:1288 97:314 98:1013 99:745 100:96 101:1165 102:3048 103:32446 104:4786 105:600 106:909 107:2754 108:1115 109:4057 110:2134 111:3141 112:2084 113:1726 114:1742 115:2001 116:1951 117:2637 118:2765 119:1947 120:1766 121:1259 122:2638 123:2171 124:1550 125:2784 126:28 128:1410 129:899 130:1063 131:1926 132:809 133:410 134:1710 135:304 136:920 137:997 138:2760 139:1559 140:1302 141:1343 142:1536 143:1521 144:1004 145:340 146:1988 147:1652 148:2516 149:2418 150:1017 151:1305 152:1961 153:528 154:5606 155:1370 156:2091 157:1390 158:1086 159:2207 160:2600 161:1623 162:3595 163:1660 164:1616 165:2099 166:1066 167:1704 168:3818 169:787 170:4675 171:988 172:3769 173:2996 174:892 175:1216 176:3608 177:4560 178:3515 179:2213 180:2356 181:3658 182:3412 183:2017 184:2277 185:20490 186:4741 187:4344 188:3979 189:3949 190:9310 191:1468 192:10983 193:8952 194:7347 195:5205 196:3171 197:2605 198:5882 199:6991 200:8030 201:6315 202:10126 203:10042 204:4571 205:3679 206:4373 207:3395 208:4077 209:4867 210:4338 211:2501 212:4216 213:3394 214:1110 215:44 216:6772 217:2766 218:1290 219:414 220:1815 221:1019 222:685 223:2175 End of report