IPv4 R&E Routing Table Report 23:05 GMT Thu 15 Jun, 2023 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: 918606 Prefixes after maximum aggregation (per Origin AS): 349197 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450504 Number of IPv4 prefixes with a valid ROA: 407035 Number of IPv4 prefixes with an invalid ROA: 1770 Number of IPv4 prefixes with no ROA: 509801 Total ASes present in the Internet Routing Table: 74353 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63868 Origin ASes announcing only one prefix: 26252 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1041 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 42058 Number of 32-bit ASNs visible in the Routing Table: 34645 Prefixes from 32-bit ASNs in the Routing Table: 171809 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 590 Number of addresses announced to Internet: 3055197184 Equivalent to 182 /8s, 26 /16s and 156 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307608 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240133 Total APNIC prefixes after maximum aggregation: 68760 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234246 Unique aggregates announced from the APNIC address blocks: 98481 APNIC Region origin ASes present in the Internet Routing Table: 13374 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8758 Number of APNIC addresses announced to Internet: 773101312 Equivalent to 46 /8s, 20 /16s and 151 /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: 269547 Total ARIN prefixes after maximum aggregation: 122778 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272187 Unique aggregates announced from the ARIN address blocks: 130453 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 7000 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4805 Number of ARIN addresses announced to Internet: 1279739392 Equivalent to 76 /8s, 71 /16s and 70 /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: 259800 Total RIPE prefixes after maximum aggregation: 122722 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255825 Unique aggregates announced from the RIPE address blocks: 159172 RIPE Region origin ASes present in the Internet Routing Table: 28322 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11199 Number of RIPE addresses announced to Internet: 717627904 Equivalent to 42 /8s, 198 /16s and 34 /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 196608-213403 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: 118357 Total LACNIC prefixes after maximum aggregation: 28347 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117498 Unique aggregates announced from the LACNIC address blocks: 49464 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2304 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8789 Number of LACNIC addresses announced to Internet: 176961536 Equivalent to 10 /8s, 140 /16s and 56 /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: 29728 Total AfriNIC prefixes after maximum aggregation: 5841 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38260 Unique aggregates announced from the AfriNIC address blocks: 12450 AfriNIC Region origin ASes present in the Internet Routing Table: 1744 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 606 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107359744 Equivalent to 6 /8s, 102 /16s and 46 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3023 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2425 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11251 578 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 199 TATACOMM-AS TATA Communications formerl 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 8496 10832 3100 AMAZON-02, US 11492 4516 299 609 CABLEONE, US 7155 4105 284 78 VIASAT-SP-BACKBONE, US 22773 3557 3051 264 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3125 54969 2377 DNIC-AS-00749, US 16625 3103 1547 2337 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2505 360 411 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2463 24006 1561 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4074 3398 161 AKAMAI-ASN1, NL 8551 3458 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2291 911 ROSTELECOM-AS, RU 9009 2663 247 1387 M247, RO 34984 2298 361 607 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1826 945 537 TCI, IR 61317 1647 110 1277 ASDETUK www.heficed.com, US 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 11415 3373 599 Uninet S.A. de C.V., MX 10620 3523 506 858 Telmex Colombia S.A., CO 13999 2357 353 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1319 2323 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1295 343 510 Axtel, S.A.B. de C.V., MX 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1104 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1034 2498 45 TIM SA, BR 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 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1308 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 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 11415 3373 599 Uninet S.A. de C.V., MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8496 10832 3100 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4516 299 609 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4105 284 78 VIASAT-SP-BACKBONE, US 20940 4074 3398 161 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8496 5396 AMAZON-02, US 7545 5721 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4105 4027 VIASAT-SP-BACKBONE, US 20940 4074 3913 AKAMAI-ASN1, NL 11492 4516 3907 CABLEONE, US 7552 3670 3649 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /10:38 /11:103 /12:301 /13:579 /14:1197 /15:2099 /16:13427 /17:8163 /18:13718 /19:24835 /20:42931 /21:50996 /22:109238 /23:97964 /24:552978 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6388 7300 UNI2-AS, ES 8151 5339 11415 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3426 4516 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4105 VIASAT-SP-BACKBONE, US 8551 2926 3458 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2628 3557 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2082 3523 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) ---------------------------------------------- 1:2155 2:1279 3:204 4:5 5:4538 6:131 7:6 8:1506 9:1 11:172 12:1529 13:388 14:2302 15:304 16:191 17:370 18:453 20:262 21:4 22:188 23:6292 24:2585 25:6 27:2526 29:19 31:2514 32:78 34:22 35:109 36:1972 37:4612 38:4907 39:846 40:151 41:3941 42:2004 43:2310 44:309 45:16502 46:4288 47:376 49:1744 50:1866 51:584 52:1594 54:393 55:866 56:8 57:118 58:1815 59:1051 60:985 61:2553 62:2665 63:1902 64:5654 65:2319 66:5017 67:3054 68:1343 69:4124 70:1196 71:673 72:2987 74:2613 75:1558 76:612 77:2449 78:1810 79:2988 80:2118 81:1794 82:1493 83:1257 84:1511 85:3007 86:754 87:2015 88:1169 89:3733 90:616 91:7748 92:2042 93:2616 94:3618 95:4042 96:1316 97:336 98:1136 99:744 100:91 101:1311 102:2786 103:31516 104:4596 105:505 106:951 107:2577 108:1047 109:4193 110:2109 111:3125 112:2042 113:1732 114:1661 115:1996 116:1893 117:2553 118:2610 119:1978 120:1799 121:1069 122:2593 123:2123 124:1572 125:2476 128:1410 129:1048 130:999 131:1970 132:843 133:422 134:1817 135:307 136:879 137:945 138:2567 139:1542 140:1260 141:1432 142:1449 143:1502 144:1123 145:344 146:1947 147:1582 148:2404 149:2230 150:879 151:1158 152:1938 153:491 154:4569 155:1418 156:1809 157:1318 158:1087 159:2263 160:2563 161:1538 162:3514 163:1530 164:1616 165:1831 166:1086 167:1716 168:3841 169:947 170:4587 171:897 172:3577 173:2964 174:1072 175:1171 176:3692 177:4599 178:3612 179:2159 180:2458 181:3495 182:3396 183:2077 184:2336 185:20319 186:4848 187:3956 188:4107 189:3677 190:9205 191:1456 192:10887 193:8893 194:7336 195:5159 196:3211 197:2392 198:5890 199:6078 200:7901 201:5930 202:10305 203:10267 204:4552 205:3694 206:4231 207:3387 208:4096 209:4872 210:4177 211:2437 212:4225 213:3630 214:1086 215:59 216:6657 217:2728 218:1272 219:410 220:1759 221:962 222:683 223:2151 End of report