IPv4 R&E Routing Table Report 23:05 GMT Thu 25 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: 930801 Prefixes after maximum aggregation (per Origin AS): 356104 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455788 Number of IPv4 prefixes with a valid ROA: 437899 Number of IPv4 prefixes with an invalid ROA: 1165 Number of IPv4 prefixes with no ROA: 491737 Total ASes present in the Internet Routing Table: 75103 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64656 Origin ASes announcing only one prefix: 26546 Transit ASes present in the Internet Routing Table: 10447 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1086 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 43463 Number of 32-bit ASNs visible in the Routing Table: 35699 Prefixes from 32-bit ASNs in the Routing Table: 179518 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: 491 Number of addresses announced to Internet: 3046124544 Equivalent to 181 /8s, 144 /16s and 44 /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: 308797 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245064 Total APNIC prefixes after maximum aggregation: 71933 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238069 Unique aggregates announced from the APNIC address blocks: 99713 APNIC Region origin ASes present in the Internet Routing Table: 13843 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4181 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9264 Number of APNIC addresses announced to Internet: 774272256 Equivalent to 46 /8s, 38 /16s and 117 /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: 272595 Total ARIN prefixes after maximum aggregation: 123596 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277358 Unique aggregates announced from the ARIN address blocks: 132118 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1848 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4828 Number of ARIN addresses announced to Internet: 1271725312 Equivalent to 75 /8s, 204 /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: 261581 Total RIPE prefixes after maximum aggregation: 125163 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256159 Unique aggregates announced from the RIPE address blocks: 161066 RIPE Region origin ASes present in the Internet Routing Table: 28508 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11546 Number of RIPE addresses announced to Internet: 714018816 Equivalent to 42 /8s, 143 /16s and 16 /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: 119967 Total LACNIC prefixes after maximum aggregation: 28638 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118622 Unique aggregates announced from the LACNIC address blocks: 49552 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2358 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8896 Number of LACNIC addresses announced to Internet: 178017536 Equivalent to 10 /8s, 156 /16s and 85 /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: 30508 Total AfriNIC prefixes after maximum aggregation: 6052 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40102 Unique aggregates announced from the AfriNIC address blocks: 12933 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1165 Number of AfriNIC addresses announced to Internet: 107803904 Equivalent to 6 /8s, 108 /16s and 245 /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 9798 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4556 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3871 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3451 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2676 854 396 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 434 196 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 9493 11231 3396 AMAZON-02, US 11492 4575 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1319 69 SHAW, CA 22773 3505 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3218 1411 2301 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2937 3731 1434 DNIC-ASBLK-00306-00371, US 396982 2749 3639 391 GOOGLE-CLOUD-PLATFORM, US 7018 2523 23621 1589 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 7540 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3984 3396 132 AKAMAI-ASN1, NL 9009 3292 286 1593 M247, RO 12389 2868 2300 906 ROSTELECOM-AS, RU 8551 2810 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 867 579 TCI, IR 8452 1469 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 12294 3382 617 UNINET, MX 10620 3528 497 885 Telmex Colombia S.A., CO 13999 2499 337 640 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1341 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1116 177 425 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 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 24863 1564 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1365 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1094 70 51 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 536 82 3 KENET-AS, KE 24757 484 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 12294 3382 617 UNINET, MX 9808 9798 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9493 11231 3396 AMAZON-02, US 12479 7540 1698 148 UNI2-AS, ES 7545 5679 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4575 303 660 CABLEONE, US 18403 4556 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3984 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 9798 9747 CHINAMOBILE-CN China Mobile Communications Grou 12479 7540 7392 UNI2-AS, ES 16509 9493 6097 AMAZON-02, US 7545 5679 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4556 4531 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4575 3915 CABLEONE, US 20940 3984 3852 AKAMAI-ASN1, NL 7552 3871 3851 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 /16:13397 /17:8138 /18:13655 /19:24698 /20:43125 /21:51158 /22:109896 /23:98449 /24:563980 /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 6632 7540 UNI2-AS, ES 8151 6297 12294 UNINET, MX 11492 3489 4575 CABLEONE, US 6327 3373 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2553 3505 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2286 2810 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2131 3528 Telmex Colombia S.A., CO 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1540 3:288 4:5 5:4439 6:163 7:6 8:1493 9:1 11:172 12:1479 13:377 14:2334 15:310 16:203 17:361 18:716 20:350 21:4 22:188 23:6597 24:2699 25:2 27:2555 29:19 31:2546 32:53 34:36 35:120 36:2161 37:4464 38:6013 39:891 40:151 41:4070 42:2204 43:2292 44:327 45:16731 46:4286 47:286 49:1894 50:1890 51:572 52:1592 54:361 55:885 56:5 57:135 58:1927 59:1145 60:1016 61:2600 62:2759 63:1907 64:5526 65:2340 66:4885 67:3052 68:1332 69:4086 70:1175 71:579 72:2921 74:2645 75:1554 76:621 77:2342 78:1819 79:2602 80:2125 81:1894 82:1523 83:1245 84:1627 85:3073 86:771 87:1953 88:1217 89:3955 90:659 91:7913 92:2181 93:2632 94:3591 95:4015 96:1290 97:319 98:1015 99:744 100:96 101:1158 102:3042 103:32439 104:4795 105:599 106:910 107:2747 108:1118 109:4019 110:2145 111:3151 112:2065 113:1721 114:1742 115:2003 116:1953 117:2639 118:2767 119:1947 120:1783 121:1260 122:2630 123:2172 124:1557 125:2801 126:28 128:1465 129:892 130:1071 131:1809 132:822 133:409 134:1707 135:307 136:917 137:995 138:2778 139:1562 140:1299 141:1353 142:1545 143:1517 144:1006 145:340 146:1994 147:1667 148:2514 149:2463 150:1017 151:1312 152:1966 153:528 154:5592 155:1376 156:2095 157:1430 158:1087 159:2204 160:2600 161:1622 162:3600 163:1669 164:1610 165:2094 166:1070 167:1692 168:3781 169:791 170:4691 171:991 172:3792 173:3004 174:895 175:1216 176:3620 177:4566 178:3512 179:2216 180:2364 181:3653 182:3413 183:2015 184:2284 185:20521 186:4752 187:4333 188:3989 189:3958 190:9319 191:1457 192:10969 193:8965 194:7332 195:5204 196:3146 197:2651 198:5894 199:7058 200:8039 201:6327 202:10140 203:10071 204:4572 205:3669 206:4379 207:3403 208:4094 209:4893 210:4348 211:2507 212:4225 213:3400 214:1111 215:44 216:6801 217:2754 218:1289 219:414 220:1818 221:1021 222:689 223:2202 End of report