IPv4 R&E Routing Table Report 23:05 GMT Sun 28 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: 931510 Prefixes after maximum aggregation (per Origin AS): 356247 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456207 Number of IPv4 prefixes with a valid ROA: 438487 Number of IPv4 prefixes with an invalid ROA: 1028 Number of IPv4 prefixes with no ROA: 491995 Total ASes present in the Internet Routing Table: 75139 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64673 Origin ASes announcing only one prefix: 26550 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 461 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: 43496 Number of 32-bit ASNs visible in the Routing Table: 35730 Prefixes from 32-bit ASNs in the Routing Table: 179613 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: 487 Number of addresses announced to Internet: 3046577152 Equivalent to 181 /8s, 151 /16s and 20 /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: 309202 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245147 Total APNIC prefixes after maximum aggregation: 71977 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238131 Unique aggregates announced from the APNIC address blocks: 99803 APNIC Region origin ASes present in the Internet Routing Table: 13859 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4189 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9283 Number of APNIC addresses announced to Internet: 774278656 Equivalent to 46 /8s, 38 /16s and 142 /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: 272837 Total ARIN prefixes after maximum aggregation: 123584 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277569 Unique aggregates announced from the ARIN address blocks: 132155 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1851 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: 4830 Number of ARIN addresses announced to Internet: 1271931904 Equivalent to 75 /8s, 208 /16s and 36 /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: 261797 Total RIPE prefixes after maximum aggregation: 125285 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256432 Unique aggregates announced from the RIPE address blocks: 161215 RIPE Region origin ASes present in the Internet Routing Table: 28518 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12101 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11548 Number of RIPE addresses announced to Internet: 714345472 Equivalent to 42 /8s, 148 /16s and 12 /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: 120118 Total LACNIC prefixes after maximum aggregation: 28641 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118765 Unique aggregates announced from the LACNIC address blocks: 49574 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2366 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: 8902 Number of LACNIC addresses announced to Internet: 178020608 Equivalent to 10 /8s, 156 /16s and 97 /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: 30533 Total AfriNIC prefixes after maximum aggregation: 6046 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40126 Unique aggregates announced from the AfriNIC address blocks: 13060 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1167 Number of AfriNIC addresses announced to Internet: 107716096 Equivalent to 6 /8s, 107 /16s and 158 /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 4558 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3873 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 2680 854 396 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9541 11241 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 3572 1320 73 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 7545 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 2803 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1500 865 597 TCI, IR 44477 1466 96 723 STARK-INDUSTRIES, GB 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 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 1557 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1366 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 552 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 526 82 3 KENET-AS, KE 37342 484 32 1 MOVITEL, MZ 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 9541 11241 3347 AMAZON-02, US 12479 7545 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 4558 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 7545 7397 UNI2-AS, ES 16509 9541 6194 AMAZON-02, US 7545 5666 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4558 4533 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 3873 3853 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 /16:13399 /17:8141 /18:13661 /19:24695 /20:43144 /21:51219 /22:109905 /23:98553 /24:564488 /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 6637 7545 UNI2-AS, ES 8151 6337 12367 UNINET, MX 11492 3490 4576 CABLEONE, US 6327 3373 3572 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 2279 2803 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2131 3528 Telmex Colombia S.A., CO 30036 2129 2472 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 2:1538 3:288 4:5 5:4449 6:163 7:6 8:1496 9:1 11:172 12:1483 13:378 14:2334 15:310 16:203 17:360 18:722 20:351 21:4 22:188 23:6601 24:2701 25:2 27:2554 29:19 31:2552 32:53 34:36 35:120 36:2166 37:4481 38:6042 39:891 40:151 41:4061 42:2196 43:2296 44:326 45:16734 46:4281 47:285 49:1899 50:1890 51:571 52:1592 54:361 55:883 56:5 57:135 58:1927 59:1147 60:1016 61:2599 62:2757 63:1906 64:5526 65:2338 66:4888 67:3052 68:1337 69:4082 70:1194 71:579 72:2930 74:2634 75:1554 76:621 77:2345 78:1837 79:2601 80:2128 81:1883 82:1521 83:1248 84:1634 85:3081 86:769 87:1958 88:1219 89:3966 90:659 91:7925 92:2186 93:2638 94:3591 95:4031 96:1287 97:318 98:1034 99:745 100:96 101:1158 102:3049 103:32456 104:4806 105:599 106:910 107:2748 108:1122 109:4026 110:2139 111:3161 112:2061 113:1718 114:1742 115:1980 116:1953 117:2639 118:2768 119:1946 120:1769 121:1260 122:2630 123:2171 124:1555 125:2803 126:28 128:1461 129:894 130:1073 131:1806 132:823 133:409 134:1706 135:307 136:918 137:1000 138:2758 139:1563 140:1302 141:1342 142:1544 143:1525 144:1003 145:340 146:1994 147:1668 148:2506 149:2463 150:1019 151:1316 152:1965 153:528 154:5637 155:1375 156:2100 157:1447 158:1088 159:2201 160:2599 161:1624 162:3608 163:1668 164:1608 165:2095 166:1063 167:1693 168:3795 169:791 170:4683 171:994 172:3799 173:3002 174:901 175:1215 176:3625 177:4550 178:3516 179:2215 180:2364 181:3666 182:3415 183:2015 184:2291 185:20532 186:4752 187:4376 188:3998 189:3997 190:9330 191:1462 192:10965 193:8978 194:7351 195:5207 196:3152 197:2648 198:5899 199:7075 200:8036 201:6338 202:10160 203:10086 204:4574 205:3675 206:4374 207:3398 208:4099 209:4892 210:4348 211:2507 212:4231 213:3408 214:1107 215:46 216:6800 217:2765 218:1287 219:414 220:1822 221:1021 222:686 223:2202 End of report