IPv4 R&E Routing Table Report 23:05 GMT Sat 06 Apr, 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: 936509 Prefixes after maximum aggregation (per Origin AS): 358797 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459053 Number of IPv4 prefixes with a valid ROA: 459743 Number of IPv4 prefixes with an invalid ROA: 968 Number of IPv4 prefixes with no ROA: 475798 Total ASes present in the Internet Routing Table: 75436 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64789 Origin ASes announcing only one prefix: 26566 Transit ASes present in the Internet Routing Table: 10647 Transit-only ASes present in the Internet Routing Table: 494 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1085 Number of instances of unregistered ASNs: 1087 Number of 32-bit ASNs allocated by the RIRs: 44048 Number of 32-bit ASNs visible in the Routing Table: 36104 Prefixes from 32-bit ASNs in the Routing Table: 182888 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: 605 Number of addresses announced to Internet: 3027165184 Equivalent to 180 /8s, 110 /16s and 224 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309374 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246933 Total APNIC prefixes after maximum aggregation: 72503 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239616 Unique aggregates announced from the APNIC address blocks: 100001 APNIC Region origin ASes present in the Internet Routing Table: 13974 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4226 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9414 Number of APNIC addresses announced to Internet: 759907072 Equivalent to 45 /8s, 75 /16s and 67 /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: 273288 Total ARIN prefixes after maximum aggregation: 123963 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277888 Unique aggregates announced from the ARIN address blocks: 133242 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1913 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4865 Number of ARIN addresses announced to Internet: 1269263616 Equivalent to 75 /8s, 167 /16s and 109 /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: 263724 Total RIPE prefixes after maximum aggregation: 126600 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258544 Unique aggregates announced from the RIPE address blocks: 163025 RIPE Region origin ASes present in the Internet Routing Table: 28600 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11716 Number of RIPE addresses announced to Internet: 714690304 Equivalent to 42 /8s, 153 /16s and 79 /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: 121254 Total LACNIC prefixes after maximum aggregation: 28798 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119561 Unique aggregates announced from the LACNIC address blocks: 49500 LACNIC Region origin ASes present in the Internet Routing Table: 11066 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2598 LACNIC Region transit ASes present in the Internet Routing Table: 2395 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8933 Number of LACNIC addresses announced to Internet: 177172992 Equivalent to 10 /8s, 143 /16s and 114 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30225 Total AfriNIC prefixes after maximum aggregation: 6226 AfriNIC Deaggregation factor: 4.85 Prefixes being announced from the AfriNIC address blocks: 40295 Unique aggregates announced from the AfriNIC address blocks: 12809 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 22.31 AfriNIC Region origin ASes announcing only one prefix: 638 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1176 Number of AfriNIC addresses announced to Internet: 105812480 Equivalent to 6 /8s, 78 /16s and 146 /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 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4570 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3863 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3562 497 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2772 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9820 11370 3395 AMAZON-02, US 11492 4600 305 612 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3514 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3263 6629 808 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3076 1308 2201 AKAMAI-AS, US 367 2854 3548 1351 DNIC-ASBLK-00306-00371, US 396982 2764 3641 413 GOOGLE-CLOUD-PLATFORM, 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 7661 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3835 3395 126 AKAMAI-ASN1, NL 9009 3269 284 1593 M247, RO 12389 2987 2304 905 ROSTELECOM-AS, RU 8551 2639 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1518 99 724 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 12372 3315 493 UNINET, MX 10620 3526 496 887 Telmex Colombia S.A., CO 13999 2524 346 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1147 177 424 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1071 114 373 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 935 521 42 Vodafone-, EG 29571 621 56 175 ORANGE-COTE-IVOIRE, CI 6713 553 1861 34 IAM-AS, MA 15399 529 55 56 WANANCHI-, KE 36914 475 82 3 KENET-AS, KE 24757 429 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 12372 3315 493 UNINET, MX 9808 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9820 11370 3395 AMAZON-02, US 12479 7661 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4600 305 612 CABLEONE, US 18403 4570 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3863 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9831 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7661 7517 UNI2-AS, ES 16509 9820 6425 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4570 4545 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4600 3988 CABLEONE, US 7552 3863 3843 VIETEL-AS-AP Viettel Group, VN 20940 3835 3709 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 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /11:95 /12:297 /13:579 /14:1194 /15:2067 /16:13244 /17:8123 /18:13570 /19:24494 /20:42987 /21:50881 /22:110207 /23:98147 /24:570550 /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 6779 7661 UNI2-AS, ES 8151 6386 12372 UNINET, MX 11492 3513 4600 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2614 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2142 2486 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2115 2639 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2264 2:1485 3:323 4:6 5:4526 6:161 7:6 8:1503 9:1 11:172 12:1463 13:377 14:2355 15:318 16:209 17:366 18:758 20:358 21:4 22:188 23:6644 24:2714 25:2 27:2607 29:19 31:2666 32:46 34:62 35:123 36:2279 37:4458 38:7068 39:892 40:125 41:3991 42:2207 43:2326 44:319 45:16955 46:4398 47:302 49:1895 50:1909 51:573 52:1586 54:307 55:996 56:5 57:165 58:1976 59:1185 60:1029 61:2615 62:2679 63:1888 64:5526 65:2313 66:4645 67:3056 68:1332 69:4097 70:1193 71:575 72:2897 74:2572 75:1548 76:626 77:2424 78:1842 79:2488 80:2188 81:1952 82:1547 83:1311 84:1640 85:3125 86:836 87:2018 88:1246 89:4026 90:680 91:8070 92:2198 93:2647 94:3665 95:4138 96:1306 97:314 98:1030 99:743 100:94 101:1168 102:3098 103:32421 104:4838 105:635 106:929 107:2755 108:1116 109:4055 110:2133 111:3222 112:2064 113:1793 114:1778 115:2014 116:1863 117:2621 118:2833 119:1963 120:1784 121:1263 122:2666 123:2198 124:1606 125:2845 126:32 128:1425 129:926 130:1103 131:1846 132:798 133:410 134:1715 135:316 136:939 137:1033 138:2821 139:1548 140:1382 141:1362 142:1586 143:1498 144:993 145:346 146:2046 147:1814 148:2475 149:2540 150:1031 151:1337 152:2000 153:523 154:6212 155:1417 156:2229 157:1692 158:1080 159:2315 160:2256 161:1617 162:3584 163:1707 164:1638 165:2129 166:1128 167:1773 168:3906 169:788 170:4684 171:1002 172:3819 173:3031 174:903 175:1200 176:3629 177:4682 178:3584 179:2258 180:2360 181:3666 182:3384 183:2040 184:2271 185:20669 186:5010 187:4514 188:4029 189:4095 190:9322 191:1510 192:10939 193:9043 194:7443 195:5250 196:3131 197:2425 198:5883 199:7552 200:7960 201:6257 202:10207 203:10154 204:4537 205:3688 206:4450 207:3364 208:4143 209:4992 210:4387 211:2487 212:4286 213:3381 214:1086 215:50 216:6762 217:2821 218:1312 219:406 220:1816 221:1033 222:698 223:2206 End of report