IPv4 R&E Routing Table Report 23:05 GMT Mon 29 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: 929965 Prefixes after maximum aggregation (per Origin AS): 356502 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456342 Number of IPv4 prefixes with a valid ROA: 437700 Number of IPv4 prefixes with an invalid ROA: 1002 Number of IPv4 prefixes with no ROA: 491263 Total ASes present in the Internet Routing Table: 75134 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64667 Origin ASes announcing only one prefix: 26563 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1080 Number of instances of unregistered ASNs: 1082 Number of 32-bit ASNs allocated by the RIRs: 43497 Number of 32-bit ASNs visible in the Routing Table: 35731 Prefixes from 32-bit ASNs in the Routing Table: 179661 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: 488 Number of addresses announced to Internet: 3046194688 Equivalent to 181 /8s, 145 /16s and 62 /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: 308252 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245225 Total APNIC prefixes after maximum aggregation: 71979 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238201 Unique aggregates announced from the APNIC address blocks: 99797 APNIC Region origin ASes present in the Internet Routing Table: 13868 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: 1863 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: 9288 Number of APNIC addresses announced to Internet: 774325760 Equivalent to 46 /8s, 39 /16s and 70 /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: 272755 Total ARIN prefixes after maximum aggregation: 123566 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277506 Unique aggregates announced from the ARIN address blocks: 132081 ARIN Region origin ASes present in the Internet Routing Table: 19036 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: 1850 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: 1271956224 Equivalent to 75 /8s, 208 /16s and 131 /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: 261231 Total RIPE prefixes after maximum aggregation: 125290 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255867 Unique aggregates announced from the RIPE address blocks: 161084 RIPE Region origin ASes present in the Internet Routing Table: 28505 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3904 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: 11541 Number of RIPE addresses announced to Internet: 714196736 Equivalent to 42 /8s, 145 /16s and 199 /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: 119510 Total LACNIC prefixes after maximum aggregation: 28704 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118145 Unique aggregates announced from the LACNIC address blocks: 49563 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2359 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: 177988608 Equivalent to 10 /8s, 155 /16s and 228 /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: 30164 Total AfriNIC prefixes after maximum aggregation: 6247 AfriNIC Deaggregation factor: 4.83 Prefixes being announced from the AfriNIC address blocks: 39758 Unique aggregates announced from the AfriNIC address blocks: 13416 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 21.83 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: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1168 Number of AfriNIC addresses announced to Internet: 107442688 Equivalent to 6 /8s, 103 /16s and 114 /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 5678 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4559 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 3458 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2683 855 386 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 9527 11237 3359 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 3580 1320 73 SHAW, CA 16625 3229 1416 2303 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2916 3730 1420 DNIC-ASBLK-00306-00371, US 396982 2750 3639 392 GOOGLE-CLOUD-PLATFORM, US 7018 2525 23622 1593 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 3966 3396 132 AKAMAI-ASN1, NL 9009 3283 286 1592 M247, RO 12389 2891 2301 913 ROSTELECOM-AS, RU 8551 2454 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2330 360 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1504 866 593 TCI, IR 8452 1480 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 12372 3383 620 UNINET, MX 10620 3484 493 957 Telmex Colombia S.A., CO 13999 2500 337 641 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1341 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 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 24835 1548 545 28 RAYA-AS, EG 36992 1366 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 24863 1201 318 214 LINKdotNET-AS, EG 29571 1102 71 52 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 531 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 12372 3383 620 UNINET, MX 9808 9799 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9527 11237 3359 AMAZON-02, US 12479 7546 1698 148 UNI2-AS, ES 7545 5678 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4576 303 661 CABLEONE, US 18403 4559 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3966 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 9527 6168 AMAZON-02, US 7545 5678 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4559 4534 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4576 3915 CABLEONE, US 7552 3873 3853 VIETEL-AS-AP Viettel Group, VN 20940 3966 3834 AKAMAI-ASN1, NL 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 /15:2065 /16:13386 /17:8138 /18:13648 /19:24655 /20:43125 /21:51143 /22:109597 /23:98431 /24:563536 /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 6340 12372 UNINET, MX 11492 3490 4576 CABLEONE, US 6327 3381 3580 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 30036 2125 2468 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2091 3484 Telmex Colombia S.A., CO 16509 1990 9527 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1545 3:287 4:5 5:4444 6:163 7:6 8:1493 9:1 11:172 12:1483 13:378 14:2332 15:311 16:203 17:360 18:721 20:351 21:4 22:188 23:6592 24:2700 25:2 27:2553 29:19 31:2550 32:53 34:36 35:120 36:2164 37:4479 38:6072 39:891 40:151 41:4022 42:2203 43:2298 44:324 45:16726 46:4271 47:286 49:1899 50:1891 51:571 52:1593 54:362 55:888 56:5 57:136 58:1927 59:1147 60:1016 61:2600 62:2701 63:1907 64:5523 65:2340 66:4890 67:3052 68:1334 69:4084 70:1190 71:577 72:2922 74:2636 75:1555 76:621 77:2343 78:1838 79:2371 80:2126 81:1882 82:1519 83:1244 84:1628 85:3086 86:773 87:1953 88:1218 89:3962 90:659 91:7924 92:2181 93:2633 94:3585 95:4027 96:1287 97:319 98:1034 99:744 100:96 101:1158 102:3047 103:32471 104:4796 105:599 106:910 107:2748 108:1119 109:3883 110:2140 111:3160 112:2062 113:1720 114:1742 115:1986 116:1957 117:2641 118:2765 119:1944 120:1769 121:1260 122:2631 123:2170 124:1557 125:2805 126:28 128:1457 129:894 130:1073 131:1807 132:821 133:409 134:1697 135:307 136:919 137:994 138:2758 139:1550 140:1304 141:1347 142:1545 143:1529 144:1006 145:341 146:1996 147:1672 148:2501 149:2466 150:1022 151:1313 152:1971 153:528 154:5604 155:1370 156:2099 157:1449 158:1087 159:2193 160:2598 161:1621 162:3600 163:1668 164:1611 165:2097 166:1063 167:1695 168:3778 169:790 170:4681 171:995 172:3798 173:2996 174:901 175:1215 176:3626 177:4548 178:3514 179:2208 180:2367 181:3616 182:3413 183:2015 184:2285 185:20482 186:4742 187:4371 188:4001 189:3997 190:9207 191:1433 192:10956 193:8973 194:7341 195:5203 196:3140 197:2638 198:5900 199:7076 200:8018 201:6326 202:10167 203:10098 204:4551 205:3674 206:4379 207:3400 208:4097 209:4896 210:4347 211:2507 212:4221 213:3403 214:1104 215:44 216:6801 217:2759 218:1288 219:415 220:1823 221:1021 222:686 223:2202 End of report