IPv4 R&E Routing Table Report 23:05 GMT Sun 06 Aug, 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: 919844 Prefixes after maximum aggregation (per Origin AS): 350141 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452231 Number of IPv4 prefixes with a valid ROA: 415349 Number of IPv4 prefixes with an invalid ROA: 1266 Number of IPv4 prefixes with no ROA: 503229 Total ASes present in the Internet Routing Table: 74488 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63988 Origin ASes announcing only one prefix: 26294 Transit ASes present in the Internet Routing Table: 10500 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 134 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 42393 Number of 32-bit ASNs visible in the Routing Table: 34838 Prefixes from 32-bit ASNs in the Routing Table: 173219 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 571 Number of addresses announced to Internet: 3052125440 Equivalent to 181 /8s, 235 /16s and 189 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307829 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240316 Total APNIC prefixes after maximum aggregation: 69298 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234143 Unique aggregates announced from the APNIC address blocks: 98733 APNIC Region origin ASes present in the Internet Routing Table: 13471 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3985 APNIC Region transit ASes present in the Internet Routing Table: 1778 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8847 Number of APNIC addresses announced to Internet: 772791296 Equivalent to 46 /8s, 15 /16s and 220 /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: 270578 Total ARIN prefixes after maximum aggregation: 123465 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272613 Unique aggregates announced from the ARIN address blocks: 130803 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4804 Number of ARIN addresses announced to Internet: 1276506112 Equivalent to 76 /8s, 21 /16s and 240 /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: 259881 Total RIPE prefixes after maximum aggregation: 122394 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256763 Unique aggregates announced from the RIPE address blocks: 159839 RIPE Region origin ASes present in the Internet Routing Table: 28366 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 3966 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11276 Number of RIPE addresses announced to Internet: 716618240 Equivalent to 42 /8s, 182 /16s and 186 /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: 118544 Total LACNIC prefixes after maximum aggregation: 28381 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117639 Unique aggregates announced from the LACNIC address blocks: 49738 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2341 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8805 Number of LACNIC addresses announced to Internet: 178495232 Equivalent to 10 /8s, 163 /16s and 159 /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: 29468 Total AfriNIC prefixes after maximum aggregation: 5881 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38115 Unique aggregates announced from the AfriNIC address blocks: 12641 AfriNIC Region origin ASes present in the Internet Routing Table: 1761 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 134 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1106 Number of AfriNIC addresses announced to Internet: 107326208 Equivalent to 6 /8s, 101 /16s and 171 /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 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5689 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3058 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2472 839 431 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 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 8849 10942 3160 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3552 3053 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3066 1504 2313 AKAMAI-AS, US 367 2950 3813 1386 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2498 358 407 MEDIACOM-ENTERPRISE-BUSINESS, 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 7325 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4067 3398 156 AKAMAI-ASN1, NL 8551 3455 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2293 912 ROSTELECOM-AS, RU 9009 2658 246 1386 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 6849 1599 307 17 UKRTELNET, UA 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 11615 3372 609 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2424 362 635 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 767 168 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 48 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 1585 393 19 LINKdotNET-AS, EG 24835 1489 533 27 RAYA-AS, EG 36992 1338 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 466 32 1 MOVITEL, MZ 24757 443 73 5 EthioNet-AS, ET 2018 371 319 71 TENET-1, ZA 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 11615 3372 609 UNINET, MX 9808 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8849 10942 3160 AMAZON-02, US 12479 7325 1707 142 UNI2-AS, ES 7545 5689 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4067 3398 156 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 9522 9485 CHINAMOBILE-CN China Mobile Communications Grou 12479 7325 7183 UNI2-AS, ES 16509 8849 5689 AMAZON-02, US 7545 5689 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4067 3911 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3638 3617 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 7015 COMCAST-7015, 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 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 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 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 /10:38 /11:102 /12:296 /13:572 /14:1195 /15:2098 /16:13432 /17:8181 /18:13728 /19:24764 /20:43222 /21:50980 /22:109275 /23:98300 /24:553622 /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 6414 7325 UNI2-AS, ES 8151 5611 11615 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2924 3455 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3552 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2200 2:1333 3:231 4:5 5:4496 6:134 7:6 8:1516 9:1 11:172 12:1518 13:383 14:2293 15:302 16:193 17:374 18:596 20:273 21:4 22:188 23:6358 24:2476 25:6 27:2527 29:19 31:2521 32:78 34:25 35:111 36:1981 37:4662 38:5115 39:836 40:147 41:3918 42:2021 43:2308 44:311 45:16565 46:4304 47:384 49:1768 50:1854 51:585 52:1594 54:391 55:943 56:8 57:121 58:1820 59:1117 60:992 61:2492 62:2646 63:1917 64:5566 65:2293 66:4901 67:3042 68:1318 69:4086 70:1204 71:680 72:2977 74:2616 75:1577 76:615 77:2452 78:1830 79:2974 80:2120 81:1797 82:1496 83:1280 84:1510 85:2963 86:763 87:2000 88:1172 89:3849 90:616 91:7818 92:2059 93:2575 94:3558 95:4031 96:1296 97:319 98:1147 99:735 100:94 101:1314 102:2816 103:31815 104:4575 105:565 106:878 107:2550 108:1095 109:4251 110:2112 111:3132 112:2057 113:1739 114:1644 115:1981 116:1887 117:2572 118:2669 119:1971 120:1783 121:1076 122:2572 123:2137 124:1577 125:2480 128:1395 129:1039 130:1013 131:1962 132:838 133:422 134:1787 135:307 136:895 137:958 138:2627 139:1571 140:1239 141:1288 142:1452 143:1490 144:992 145:342 146:1945 147:1604 148:2402 149:2177 150:878 151:1169 152:1960 153:510 154:4660 155:1374 156:1865 157:1314 158:1069 159:2221 160:2593 161:1564 162:3508 163:1571 164:1702 165:1845 166:980 167:1729 168:3850 169:922 170:4591 171:896 172:3631 173:2971 174:1048 175:1177 176:3737 177:4553 178:3592 179:2164 180:2443 181:3491 182:3402 183:1993 184:2296 185:20492 186:4754 187:4117 188:4117 189:3796 190:9211 191:1381 192:10901 193:8926 194:7277 195:5149 196:3150 197:2303 198:5916 199:6083 200:7937 201:5983 202:10232 203:10011 204:4538 205:3638 206:4249 207:3375 208:4131 209:4895 210:4196 211:2438 212:4243 213:3576 214:1084 215:59 216:6701 217:2761 218:1267 219:414 220:1797 221:968 222:668 223:2158 End of report