IPv4 R&E Routing Table Report 23:05 GMT Sat 27 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: 931391 Prefixes after maximum aggregation (per Origin AS): 356167 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456055 Number of IPv4 prefixes with a valid ROA: 438473 Number of IPv4 prefixes with an invalid ROA: 1025 Number of IPv4 prefixes with no ROA: 491893 Total ASes present in the Internet Routing Table: 75136 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64668 Origin ASes announcing only one prefix: 26539 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 462 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: 1078 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 43487 Number of 32-bit ASNs visible in the Routing Table: 35723 Prefixes from 32-bit ASNs in the Routing Table: 179564 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: 486 Number of addresses announced to Internet: 3046695936 Equivalent to 181 /8s, 152 /16s and 228 /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: 309129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245088 Total APNIC prefixes after maximum aggregation: 71946 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238083 Unique aggregates announced from the APNIC address blocks: 99728 APNIC Region origin ASes present in the Internet Routing Table: 13852 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4175 APNIC Region transit ASes present in the Internet Routing Table: 1857 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: 9275 Number of APNIC addresses announced to Internet: 774273280 Equivalent to 46 /8s, 38 /16s and 121 /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: 272810 Total ARIN prefixes after maximum aggregation: 123553 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277546 Unique aggregates announced from the ARIN address blocks: 132125 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1853 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: 4829 Number of ARIN addresses announced to Internet: 1271927040 Equivalent to 75 /8s, 208 /16s and 17 /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: 261833 Total RIPE prefixes after maximum aggregation: 125269 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256446 Unique aggregates announced from the RIPE address blocks: 161202 RIPE Region origin ASes present in the Internet Routing Table: 28515 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12100 RIPE Region transit ASes present in the Internet Routing Table: 3898 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: 714332416 Equivalent to 42 /8s, 147 /16s and 217 /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: 119994 Total LACNIC prefixes after maximum aggregation: 28639 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118644 Unique aggregates announced from the LACNIC address blocks: 49534 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2371 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: 8903 Number of LACNIC addresses announced to Internet: 178004224 Equivalent to 10 /8s, 156 /16s and 33 /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: 30588 Total AfriNIC prefixes after maximum aggregation: 6045 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40186 Unique aggregates announced from the AfriNIC address blocks: 13065 AfriNIC Region origin ASes present in the Internet Routing Table: 1824 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 652 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: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170 Number of AfriNIC addresses announced to Internet: 107874304 Equivalent to 6 /8s, 110 /16s and 8 /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 9799 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5666 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4557 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 3455 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 9538 11240 3347 AMAZON-02, US 11492 4576 303 661 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3611 3041 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3567 1319 69 SHAW, CA 16625 3218 1411 2301 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2911 3729 1415 DNIC-ASBLK-00306-00371, US 396982 2749 3639 391 GOOGLE-CLOUD-PLATFORM, US 7018 2525 23622 1591 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 7546 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3991 3396 132 AKAMAI-ASN1, NL 9009 3281 285 1590 M247, RO 12389 2891 2301 913 ROSTELECOM-AS, RU 8551 2809 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 12367 3381 619 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 1119 177 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 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 1565 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1364 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1100 71 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 522 82 3 KENET-AS, KE 24757 487 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 12367 3381 619 UNINET, MX 9808 9799 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9538 11240 3347 AMAZON-02, US 12479 7546 1698 148 UNI2-AS, ES 7545 5666 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4576 303 661 CABLEONE, US 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 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 9799 9748 CHINAMOBILE-CN China Mobile Communications Grou 12479 7546 7398 UNI2-AS, ES 16509 9538 6191 AMAZON-02, US 7545 5666 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4557 4532 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4576 3915 CABLEONE, US 20940 3991 3859 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 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 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 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 /16:13405 /17:8137 /18:13658 /19:24709 /20:43156 /21:51224 /22:109932 /23:98534 /24:564331 /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 6638 7546 UNI2-AS, ES 8151 6337 12367 UNINET, MX 11492 3490 4576 CABLEONE, US 6327 3373 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2657 3611 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2285 2809 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2132 2475 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3528 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) ---------------------------------------------- 1:2294 2:1541 3:288 4:5 5:4443 6:163 7:6 8:1496 9:1 11:172 12:1483 13:378 14:2332 15:310 16:203 17:360 18:723 20:351 21:4 22:188 23:6600 24:2700 25:2 27:2554 29:19 31:2553 32:53 34:36 35:120 36:2166 37:4481 38:6032 39:891 40:151 41:4089 42:2196 43:2295 44:323 45:16736 46:4284 47:285 49:1899 50:1891 51:572 52:1593 54:361 55:884 56:5 57:135 58:1926 59:1146 60:1016 61:2600 62:2758 63:1905 64:5526 65:2336 66:4885 67:3051 68:1337 69:4084 70:1194 71:579 72:2930 74:2634 75:1553 76:621 77:2346 78:1837 79:2603 80:2128 81:1882 82:1523 83:1248 84:1629 85:3081 86:769 87:1959 88:1216 89:3959 90:659 91:7920 92:2183 93:2638 94:3591 95:4033 96:1287 97:319 98:1033 99:744 100:96 101:1158 102:3051 103:32463 104:4806 105:599 106:911 107:2748 108:1121 109:4030 110:2139 111:3154 112:2061 113:1719 114:1742 115:1985 116:1952 117:2640 118:2768 119:1946 120:1769 121:1260 122:2630 123:2171 124:1558 125:2803 126:28 128:1464 129:894 130:1075 131:1807 132:824 133:409 134:1705 135:307 136:918 137:1001 138:2766 139:1560 140:1302 141:1345 142:1544 143:1516 144:1004 145:340 146:1995 147:1668 148:2501 149:2465 150:1014 151:1316 152:1965 153:528 154:5634 155:1375 156:2100 157:1439 158:1088 159:2202 160:2598 161:1623 162:3609 163:1669 164:1608 165:2095 166:1064 167:1695 168:3791 169:782 170:4676 171:993 172:3800 173:3004 174:901 175:1214 176:3627 177:4520 178:3517 179:2215 180:2364 181:3660 182:3413 183:2015 184:2290 185:20533 186:4740 187:4340 188:3997 189:3998 190:9332 191:1464 192:10963 193:8975 194:7352 195:5210 196:3150 197:2652 198:5894 199:7070 200:8034 201:6322 202:10138 203:10069 204:4567 205:3685 206:4380 207:3400 208:4097 209:4892 210:4346 211:2507 212:4228 213:3407 214:1108 215:46 216:6800 217:2764 218:1288 219:414 220:1823 221:1021 222:686 223:2202 End of report