IPv4 R&E Routing Table Report 23:05 GMT Sun 14 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: 929734 Prefixes after maximum aggregation (per Origin AS): 355372 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455322 Number of IPv4 prefixes with a valid ROA: 435457 Number of IPv4 prefixes with an invalid ROA: 1139 Number of IPv4 prefixes with no ROA: 493138 Total ASes present in the Internet Routing Table: 75031 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64585 Origin ASes announcing only one prefix: 26549 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1073 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 43391 Number of 32-bit ASNs visible in the Routing Table: 35610 Prefixes from 32-bit ASNs in the Routing Table: 178925 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: 478 Number of addresses announced to Internet: 3045676800 Equivalent to 181 /8s, 137 /16s and 87 /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: 308643 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244626 Total APNIC prefixes after maximum aggregation: 71674 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237683 Unique aggregates announced from the APNIC address blocks: 99612 APNIC Region origin ASes present in the Internet Routing Table: 13805 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 4163 APNIC Region transit ASes present in the Internet Routing Table: 1858 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: 9214 Number of APNIC addresses announced to Internet: 774176000 Equivalent to 46 /8s, 36 /16s and 253 /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: 272004 Total ARIN prefixes after maximum aggregation: 123286 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276699 Unique aggregates announced from the ARIN address blocks: 131963 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1845 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: 4819 Number of ARIN addresses announced to Internet: 1271755520 Equivalent to 75 /8s, 205 /16s and 115 /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: 261691 Total RIPE prefixes after maximum aggregation: 125016 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256330 Unique aggregates announced from the RIPE address blocks: 161059 RIPE Region origin ASes present in the Internet Routing Table: 28497 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11517 Number of RIPE addresses announced to Internet: 714258176 Equivalent to 42 /8s, 146 /16s and 183 /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: 119821 Total LACNIC prefixes after maximum aggregation: 28637 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118498 Unique aggregates announced from the LACNIC address blocks: 49433 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2346 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: 8904 Number of LACNIC addresses announced to Internet: 177453056 Equivalent to 10 /8s, 147 /16s and 184 /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: 30519 Total AfriNIC prefixes after maximum aggregation: 6040 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40046 Unique aggregates announced from the AfriNIC address blocks: 12857 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 22.15 AfriNIC Region origin ASes announcing only one prefix: 639 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107750656 Equivalent to 6 /8s, 108 /16s and 37 /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 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3429 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3275 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2671 858 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 442 200 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 9500 11207 3375 AMAZON-02, US 11492 4569 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3502 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3218 1399 2302 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2953 3829 1420 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2509 23622 1573 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 7543 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3967 3396 132 AKAMAI-ASN1, NL 9009 3474 299 1632 M247, RO 8551 2957 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2301 912 ROSTELECOM-AS, RU 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1515 873 581 TCI, IR 8452 1476 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 12239 3380 614 UNINET, MX 10620 3524 497 889 Telmex Colombia S.A., CO 13999 2498 340 638 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1117 179 421 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 1535 389 16 LINKdotNET-AS, EG 36992 1362 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1081 69 55 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 532 56 50 WANANCHI-, KE 36914 519 82 3 KENET-AS, KE 24757 481 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 12239 3380 614 UNINET, MX 9808 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9500 11207 3375 AMAZON-02, US 12479 7543 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4569 303 660 CABLEONE, US 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3967 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 9771 9720 CHINAMOBILE-CN China Mobile Communications Grou 12479 7543 7397 UNI2-AS, ES 16509 9500 6125 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4545 4520 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4569 3909 CABLEONE, US 20940 3967 3835 AKAMAI-ASN1, NL 7552 3854 3834 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 /15:2063 /16:13389 /17:8128 /18:13622 /19:24673 /20:43117 /21:51183 /22:109910 /23:98308 /24:563100 /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 6628 7543 UNI2-AS, ES 8151 6232 12239 UNINET, MX 11492 3482 4569 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2434 2957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2127 3524 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) ---------------------------------------------- 1:2273 2:1465 3:282 4:5 5:4422 6:163 7:6 8:1495 9:1 11:172 12:1486 13:375 14:2331 15:310 16:204 17:361 18:716 20:346 21:4 22:188 23:6571 24:2673 25:2 27:2507 29:19 31:2543 32:53 34:36 35:119 36:2152 37:4477 38:5906 39:886 40:147 41:4131 42:2204 43:2289 44:327 45:16675 46:4313 47:286 49:1896 50:1876 51:574 52:1591 54:366 55:859 56:5 57:128 58:1872 59:1109 60:1012 61:2598 62:2731 63:1903 64:5507 65:2339 66:4923 67:3040 68:1335 69:4076 70:1175 71:579 72:2914 74:2641 75:1551 76:621 77:2340 78:1824 79:2723 80:2129 81:1878 82:1529 83:1312 84:1622 85:3051 86:775 87:1950 88:1223 89:3947 90:661 91:7896 92:2186 93:2630 94:3597 95:4015 96:1287 97:315 98:1013 99:746 100:96 101:1155 102:3040 103:32410 104:4769 105:600 106:909 107:2743 108:1119 109:4053 110:2136 111:3156 112:2077 113:1717 114:1747 115:1995 116:1952 117:2634 118:2777 119:1947 120:1765 121:1259 122:2630 123:2172 124:1594 125:2779 126:28 128:1404 129:890 130:1065 131:1920 132:822 133:410 134:1706 135:305 136:911 137:992 138:2755 139:1563 140:1352 141:1344 142:1537 143:1517 144:1001 145:340 146:1991 147:1652 148:2511 149:2411 150:1017 151:1306 152:1960 153:529 154:5550 155:1371 156:2084 157:1388 158:1085 159:2207 160:2613 161:1620 162:3600 163:1668 164:1613 165:2095 166:1063 167:1700 168:3816 169:790 170:4666 171:984 172:3776 173:2989 174:892 175:1216 176:3600 177:4565 178:3518 179:2206 180:2357 181:3655 182:3409 183:2014 184:2260 185:20495 186:4779 187:4318 188:3986 189:3966 190:9329 191:1467 192:10974 193:8951 194:7363 195:5219 196:3167 197:2599 198:5885 199:6967 200:8025 201:6242 202:10178 203:10041 204:4565 205:3674 206:4365 207:3385 208:4073 209:4907 210:4334 211:2501 212:4220 213:3391 214:1108 215:44 216:6770 217:2768 218:1291 219:414 220:1814 221:1019 222:686 223:2189 End of report