IPv4 R&E Routing Table Report 23:05 GMT Sun 25 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: 919489 Prefixes after maximum aggregation (per Origin AS): 349578 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450963 Number of IPv4 prefixes with a valid ROA: 408565 Number of IPv4 prefixes with an invalid ROA: 1703 Number of IPv4 prefixes with no ROA: 509221 Total ASes present in the Internet Routing Table: 74395 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63897 Origin ASes announcing only one prefix: 26266 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 1018 Number of instances of unregistered ASNs: 1025 Number of 32-bit ASNs allocated by the RIRs: 42159 Number of 32-bit ASNs visible in the Routing Table: 34702 Prefixes from 32-bit ASNs in the Routing Table: 172187 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 559 Number of addresses announced to Internet: 3053997824 Equivalent to 182 /8s, 8 /16s and 79 /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: 307950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240344 Total APNIC prefixes after maximum aggregation: 68832 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234385 Unique aggregates announced from the APNIC address blocks: 98508 APNIC Region origin ASes present in the Internet Routing Table: 13388 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1795 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: 8775 Number of APNIC addresses announced to Internet: 773225984 Equivalent to 46 /8s, 22 /16s and 126 /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: 269866 Total ARIN prefixes after maximum aggregation: 123044 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272446 Unique aggregates announced from the ARIN address blocks: 130661 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 1278630656 Equivalent to 76 /8s, 54 /16s and 91 /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: 260057 Total RIPE prefixes after maximum aggregation: 122741 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256177 Unique aggregates announced from the RIPE address blocks: 159365 RIPE Region origin ASes present in the Internet Routing Table: 28341 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3964 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: 11216 Number of RIPE addresses announced to Internet: 717479168 Equivalent to 42 /8s, 195 /16s and 221 /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: 118508 Total LACNIC prefixes after maximum aggregation: 28399 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117624 Unique aggregates announced from the LACNIC address blocks: 49568 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2315 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: 8806 Number of LACNIC addresses announced to Internet: 176930816 Equivalent to 10 /8s, 139 /16s and 192 /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: 29696 Total AfriNIC prefixes after maximum aggregation: 5838 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38298 Unique aggregates announced from the AfriNIC address blocks: 12403 AfriNIC Region origin ASes present in the Internet Routing Table: 1748 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1101 Number of AfriNIC addresses announced to Internet: 107404544 Equivalent to 6 /8s, 102 /16s and 221 /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 9502 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3042 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2433 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11252 579 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 8580 10878 3157 AMAZON-02, US 11492 4522 300 603 CABLEONE, US 7155 4153 288 86 VIASAT-SP-BACKBONE, US 22773 3543 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1558 2352 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2666 3594 378 GOOGLE-CLOUD-PLATFORM, US 30036 2511 362 395 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2452 24006 1556 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 7307 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 159 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2906 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1382 M247, RO 34984 2303 361 607 TELLCOM-AS, TR 6849 1924 307 17 UKRTELNET, UA 58224 1831 946 535 TCI, IR 61317 1640 110 1275 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 11465 3358 595 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2372 354 630 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1305 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 442 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1312 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 476 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 11465 3358 595 UNINET, MX 9808 9502 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8580 10878 3157 AMAZON-02, US 12479 7307 1706 141 UNI2-AS, ES 7545 5675 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 603 CABLEONE, US 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4153 288 86 VIASAT-SP-BACKBONE, US 20940 4093 3398 159 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 9502 9465 CHINAMOBILE-CN China Mobile Communications Grou 12479 7307 7166 UNI2-AS, ES 16509 8580 5423 AMAZON-02, US 7545 5675 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4222 4197 FPT-AS-AP FPT Telecom Company, VN 7155 4153 4067 VIASAT-SP-BACKBONE, US 20940 4093 3934 AKAMAI-ASN1, NL 11492 4522 3919 CABLEONE, US 7552 3680 3659 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 /12:300 /13:578 /14:1199 /15:2100 /16:13410 /17:8169 /18:13711 /19:24862 /20:42948 /21:51061 /22:109405 /23:98053 /24:553513 /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 6395 7307 UNI2-AS, ES 8151 5386 11465 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4522 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3111 4153 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3543 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2167 2:1314 3:219 4:5 5:4525 6:130 7:6 8:1506 9:1 11:172 12:1518 13:387 14:2301 15:298 16:190 17:371 18:469 20:262 21:4 22:188 23:6320 24:2590 25:6 27:2526 29:19 31:2508 32:78 34:22 35:111 36:1978 37:4670 38:4921 39:851 40:151 41:3951 42:2003 43:2309 44:307 45:16535 46:4288 47:377 49:1746 50:1864 51:585 52:1595 54:394 55:973 56:8 57:120 58:1819 59:1111 60:981 61:2549 62:2669 63:1906 64:5612 65:2312 66:4991 67:3056 68:1352 69:4127 70:1212 71:675 72:2987 74:2621 75:1565 76:612 77:2444 78:1814 79:2989 80:2119 81:1797 82:1491 83:1260 84:1516 85:3005 86:745 87:2012 88:1177 89:3747 90:616 91:7762 92:2046 93:2605 94:3609 95:4036 96:1314 97:336 98:1135 99:738 100:93 101:1310 102:2776 103:31585 104:4610 105:505 106:939 107:2574 108:1048 109:4190 110:2099 111:3120 112:2052 113:1728 114:1620 115:1974 116:1892 117:2551 118:2605 119:1974 120:1801 121:1076 122:2603 123:2129 124:1573 125:2476 128:1404 129:1045 130:1006 131:1961 132:844 133:422 134:1794 135:308 136:888 137:947 138:2576 139:1552 140:1259 141:1430 142:1442 143:1499 144:1122 145:340 146:1952 147:1579 148:2398 149:2207 150:875 151:1157 152:1949 153:492 154:4571 155:1410 156:1804 157:1313 158:1082 159:2268 160:2563 161:1553 162:3506 163:1542 164:1613 165:1845 166:1088 167:1720 168:3834 169:941 170:4576 171:900 172:3606 173:2962 174:1078 175:1178 176:3746 177:4546 178:3613 179:2146 180:2471 181:3478 182:3399 183:2066 184:2353 185:20386 186:4834 187:4016 188:4105 189:3682 190:9240 191:1422 192:10886 193:8918 194:7319 195:5147 196:3205 197:2388 198:5907 199:6084 200:7884 201:5930 202:10307 203:10264 204:4547 205:3700 206:4251 207:3381 208:4112 209:4887 210:4173 211:2439 212:4234 213:3600 214:1091 215:59 216:6679 217:2750 218:1275 219:412 220:1753 221:962 222:681 223:2172 End of report