IPv4 R&E Routing Table Report 23:05 GMT Sun 07 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: 937067 Prefixes after maximum aggregation (per Origin AS): 358677 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459264 Number of IPv4 prefixes with a valid ROA: 459552 Number of IPv4 prefixes with an invalid ROA: 977 Number of IPv4 prefixes with no ROA: 476538 Total ASes present in the Internet Routing Table: 75431 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64781 Origin ASes announcing only one prefix: 26551 Transit ASes present in the Internet Routing Table: 10650 Transit-only ASes present in the Internet Routing Table: 492 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: 1084 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 44056 Number of 32-bit ASNs visible in the Routing Table: 36105 Prefixes from 32-bit ASNs in the Routing Table: 182768 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: 603 Number of addresses announced to Internet: 3027319808 Equivalent to 180 /8s, 113 /16s and 60 /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: 309476 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246879 Total APNIC prefixes after maximum aggregation: 72426 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239565 Unique aggregates announced from the APNIC address blocks: 100038 APNIC Region origin ASes present in the Internet Routing Table: 13980 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4230 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9416 Number of APNIC addresses announced to Internet: 759916288 Equivalent to 45 /8s, 75 /16s and 103 /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: 273341 Total ARIN prefixes after maximum aggregation: 123985 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278007 Unique aggregates announced from the ARIN address blocks: 133247 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: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1914 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: 1269330432 Equivalent to 75 /8s, 168 /16s and 114 /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: 263698 Total RIPE prefixes after maximum aggregation: 126606 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258512 Unique aggregates announced from the RIPE address blocks: 162958 RIPE Region origin ASes present in the Internet Routing Table: 28587 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 11710 Number of RIPE addresses announced to Internet: 714667008 Equivalent to 42 /8s, 152 /16s and 244 /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: 121194 Total LACNIC prefixes after maximum aggregation: 28836 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119496 Unique aggregates announced from the LACNIC address blocks: 49485 LACNIC Region origin ASes present in the Internet Routing Table: 11065 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2589 LACNIC Region transit ASes present in the Internet Routing Table: 2394 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8931 Number of LACNIC addresses announced to Internet: 177156608 Equivalent to 10 /8s, 143 /16s and 50 /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: 30871 Total AfriNIC prefixes after maximum aggregation: 6118 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40884 Unique aggregates announced from the AfriNIC address blocks: 13062 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.56 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1183 Number of AfriNIC addresses announced to Internet: 105931264 Equivalent to 6 /8s, 80 /16s and 98 /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 9832 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4572 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 2200 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 9813 11369 3398 AMAZON-02, US 11492 4601 305 610 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 2867 3568 1357 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 7656 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3835 3395 126 AKAMAI-ASN1, NL 9009 3268 283 1592 M247, RO 12389 2987 2304 905 ROSTELECOM-AS, RU 8551 2638 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 1502 98 737 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 1312 788 199 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 29571 1209 76 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 472 82 3 KENET-AS, KE 24757 428 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 9832 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9813 11369 3398 AMAZON-02, US 12479 7656 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4601 305 610 CABLEONE, US 18403 4572 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 9832 9771 CHINAMOBILE-CN China Mobile Communications Grou 12479 7656 7512 UNI2-AS, ES 16509 9813 6415 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4572 4547 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4601 3991 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 /16:13246 /17:8126 /18:13571 /19:24499 /20:42964 /21:50884 /22:110160 /23:98184 /24:571127 /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 6774 7656 UNI2-AS, ES 8151 6386 12372 UNINET, MX 11492 3514 4601 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 2114 2638 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) ---------------------------------------------- 1:2267 2:1482 3:323 4:6 5:4525 6:162 7:6 8:1503 9:1 11:172 12:1461 13:376 14:2355 15:318 16:209 17:366 18:758 20:358 21:4 22:188 23:6643 24:2714 25:2 27:2585 29:19 31:2662 32:46 34:62 35:123 36:2278 37:4453 38:7128 39:892 40:125 41:4077 42:2207 43:2328 44:319 45:16947 46:4394 47:302 49:1895 50:1911 51:573 52:1587 54:305 55:997 56:5 57:165 58:1975 59:1185 60:1029 61:2614 62:2679 63:1889 64:5529 65:2315 66:4654 67:3060 68:1332 69:4089 70:1193 71:575 72:2900 74:2570 75:1548 76:626 77:2424 78:1841 79:2486 80:2188 81:1952 82:1547 83:1311 84:1641 85:3125 86:836 87:2015 88:1246 89:4029 90:679 91:8064 92:2199 93:2648 94:3664 95:4135 96:1307 97:314 98:1030 99:743 100:94 101:1168 102:3110 103:32431 104:4838 105:635 106:929 107:2758 108:1118 109:4060 110:2127 111:3222 112:2065 113:1793 114:1777 115:2019 116:1864 117:2621 118:2828 119:1965 120:1785 121:1263 122:2666 123:2198 124:1606 125:2845 126:32 128:1427 129:927 130:1103 131:1847 132:796 133:410 134:1716 135:316 136:939 137:1023 138:2814 139:1533 140:1382 141:1362 142:1586 143:1490 144:996 145:346 146:2048 147:1815 148:2475 149:2540 150:1031 151:1336 152:2000 153:523 154:6245 155:1422 156:2222 157:1688 158:1079 159:2316 160:2635 161:1635 162:3583 163:1707 164:1635 165:2129 166:1129 167:1777 168:3895 169:788 170:4726 171:995 172:3821 173:3031 174:903 175:1200 176:3622 177:4702 178:3584 179:2256 180:2362 181:3668 182:3378 183:2040 184:2272 185:20666 186:4973 187:4467 188:4034 189:4070 190:9305 191:1507 192:10940 193:9036 194:7440 195:5250 196:3148 197:2453 198:5884 199:7551 200:7988 201:6285 202:10219 203:10153 204:4536 205:3702 206:4445 207:3365 208:4149 209:4998 210:4388 211:2489 212:4287 213:3403 214:1084 215:50 216:6763 217:2817 218:1311 219:406 220:1816 221:1032 222:697 223:2207 End of report