IPv4 R&E Routing Table Report 23:05 GMT Fri 01 Sep, 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: 920567 Prefixes after maximum aggregation (per Origin AS): 350972 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452398 Number of IPv4 prefixes with a valid ROA: 417813 Number of IPv4 prefixes with an invalid ROA: 1698 Number of IPv4 prefixes with no ROA: 501056 Total ASes present in the Internet Routing Table: 74565 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64163 Origin ASes announcing only one prefix: 26315 Transit ASes present in the Internet Routing Table: 10402 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 27 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1014 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 42560 Number of 32-bit ASNs visible in the Routing Table: 34975 Prefixes from 32-bit ASNs in the Routing Table: 173999 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 544 Number of addresses announced to Internet: 3055290880 Equivalent to 182 /8s, 28 /16s and 10 /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: 99.5 Total number of prefixes smaller than registry allocations: 307451 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240979 Total APNIC prefixes after maximum aggregation: 69776 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234709 Unique aggregates announced from the APNIC address blocks: 98646 APNIC Region origin ASes present in the Internet Routing Table: 13509 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 4004 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8899 Number of APNIC addresses announced to Internet: 772352768 Equivalent to 46 /8s, 9 /16s and 43 /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: 270726 Total ARIN prefixes after maximum aggregation: 123500 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272992 Unique aggregates announced from the ARIN address blocks: 131205 ARIN Region origin ASes present in the Internet Routing Table: 19052 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1279436544 Equivalent to 76 /8s, 66 /16s and 167 /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: 259890 Total RIPE prefixes after maximum aggregation: 122666 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256442 Unique aggregates announced from the RIPE address blocks: 160020 RIPE Region origin ASes present in the Internet Routing Table: 28377 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11295 Number of RIPE addresses announced to Internet: 716673536 Equivalent to 42 /8s, 183 /16s and 146 /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: 118031 Total LACNIC prefixes after maximum aggregation: 28357 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117067 Unique aggregates announced from the LACNIC address blocks: 49272 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2689 LACNIC Region transit ASes present in the Internet Routing Table: 2317 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8833 Number of LACNIC addresses announced to Internet: 178578944 Equivalent to 10 /8s, 164 /16s and 230 /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: 29927 Total AfriNIC prefixes after maximum aggregation: 5971 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38813 Unique aggregates announced from the AfriNIC address blocks: 12802 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128 Number of AfriNIC addresses announced to Internet: 107794688 Equivalent to 6 /8s, 108 /16s and 209 /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 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3115 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 201 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 9003 10980 3269 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3558 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3029 1459 2286 AKAMAI-AS, US 367 2965 3835 1394 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 369 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 7346 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 914 ROSTELECOM-AS, RU 9009 2682 248 1384 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1509 101 1175 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 11537 3363 603 UNINET, MX 10620 3537 506 849 Telmex Colombia S.A., CO 13999 2453 364 642 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1015 2501 49 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1356 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1047 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 457 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 11537 3363 603 UNINET, MX 9808 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9003 10980 3269 AMAZON-02, US 12479 7346 1713 145 UNI2-AS, ES 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4076 3398 152 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 9493 9453 CHINAMOBILE-CN China Mobile Communications Grou 12479 7346 7201 UNI2-AS, ES 16509 9003 5734 AMAZON-02, US 7545 5725 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4076 3924 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3734 3714 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 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 23.161.72.0/24 Origin: 18646 BITMAX, US 23.161.72.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /12:298 /13:576 /14:1195 /15:2097 /16:13462 /17:8201 /18:13722 /19:24809 /20:43311 /21:50789 /22:109327 /23:98594 /24:554007 /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 6432 7346 UNI2-AS, ES 8151 5680 11537 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2100 3537 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) ---------------------------------------------- 1:2227 2:1385 3:253 4:5 5:4550 6:137 7:6 8:1512 9:1 11:172 12:1510 13:371 14:2304 15:302 16:192 17:368 18:632 20:281 21:4 22:188 23:6388 24:2418 25:6 27:2555 29:19 31:2532 32:77 34:26 35:114 36:1991 37:4515 38:5166 39:869 40:147 41:4023 42:2100 43:2251 44:321 45:16555 46:4250 47:386 49:1793 50:1852 51:595 52:1597 54:391 55:963 56:8 57:122 58:1792 59:1119 60:999 61:2522 62:2682 63:1921 64:5569 65:2325 66:4892 67:3025 68:1338 69:4115 70:1189 71:657 72:2960 74:2605 75:1565 76:617 77:2328 78:1834 79:2985 80:2120 81:1828 82:1459 83:1282 84:1501 85:2965 86:751 87:2000 88:1174 89:3831 90:617 91:7803 92:2066 93:2622 94:3530 95:4007 96:1295 97:321 98:1078 99:734 100:90 101:1303 102:2919 103:31986 104:4579 105:558 106:881 107:2598 108:1135 109:4216 110:2128 111:3131 112:2061 113:1743 114:1653 115:1995 116:1903 117:2521 118:2697 119:1982 120:1783 121:1089 122:2570 123:2140 124:1581 125:2490 128:1402 129:915 130:1028 131:1952 132:850 133:419 134:1787 135:308 136:907 137:969 138:2634 139:1562 140:1228 141:1295 142:1479 143:1484 144:994 145:346 146:1935 147:1602 148:2427 149:2171 150:865 151:1231 152:1984 153:511 154:4877 155:1392 156:1941 157:1323 158:1081 159:2225 160:2580 161:1585 162:3514 163:1582 164:1701 165:1831 166:1013 167:1728 168:3705 169:898 170:4650 171:882 172:3680 173:2955 174:987 175:1186 176:3779 177:4437 178:3545 179:2110 180:2443 181:3450 182:3316 183:1996 184:2283 185:20527 186:4739 187:4120 188:4132 189:3729 190:9241 191:1346 192:10927 193:8941 194:7263 195:5196 196:3192 197:2441 198:5915 199:6105 200:7878 201:6022 202:10211 203:9994 204:4531 205:3642 206:4258 207:3374 208:4123 209:4895 210:4185 211:2445 212:4235 213:3405 214:1095 215:59 216:6663 217:2771 218:1266 219:403 220:1801 221:977 222:665 223:2150 End of report