IPv4 R&E Routing Table Report 23:05 GMT Thu 20 Jul, 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: 919702 Prefixes after maximum aggregation (per Origin AS): 350015 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451945 Number of IPv4 prefixes with a valid ROA: 413169 Number of IPv4 prefixes with an invalid ROA: 1552 Number of IPv4 prefixes with no ROA: 504981 Total ASes present in the Internet Routing Table: 74418 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63932 Origin ASes announcing only one prefix: 26283 Transit ASes present in the Internet Routing Table: 10486 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1074 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 42267 Number of 32-bit ASNs visible in the Routing Table: 34782 Prefixes from 32-bit ASNs in the Routing Table: 173123 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 585 Number of addresses announced to Internet: 3052970496 Equivalent to 181 /8s, 248 /16s and 162 /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: 307841 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240169 Total APNIC prefixes after maximum aggregation: 69104 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233965 Unique aggregates announced from the APNIC address blocks: 98610 APNIC Region origin ASes present in the Internet Routing Table: 13433 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3976 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8820 Number of APNIC addresses announced to Internet: 773181696 Equivalent to 46 /8s, 21 /16s and 209 /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: 270397 Total ARIN prefixes after maximum aggregation: 123290 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272625 Unique aggregates announced from the ARIN address blocks: 130664 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6964 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: 4803 Number of ARIN addresses announced to Internet: 1276881152 Equivalent to 76 /8s, 27 /16s and 169 /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: 259901 Total RIPE prefixes after maximum aggregation: 122568 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256631 Unique aggregates announced from the RIPE address blocks: 159880 RIPE Region origin ASes present in the Internet Routing Table: 28327 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3950 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: 11242 Number of RIPE addresses announced to Internet: 716781312 Equivalent to 42 /8s, 185 /16s and 55 /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: 118526 Total LACNIC prefixes after maximum aggregation: 28440 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117631 Unique aggregates announced from the LACNIC address blocks: 49639 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2336 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: 8808 Number of LACNIC addresses announced to Internet: 178247168 Equivalent to 10 /8s, 159 /16s and 214 /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: 29635 Total AfriNIC prefixes after maximum aggregation: 5884 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38265 Unique aggregates announced from the AfriNIC address blocks: 12667 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 1109 Number of AfriNIC addresses announced to Internet: 107541760 Equivalent to 6 /8s, 104 /16s and 245 /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 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4233 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3699 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3585 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 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 8700 10914 3137 AMAZON-02, US 11492 4517 300 611 CABLEONE, US 7155 4188 289 100 VIASAT-SP-BACKBONE, US 22773 3537 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3147 1567 2361 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2763 3754 1327 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US 30036 2510 362 368 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 160 AKAMAI-ASN1, NL 8551 3460 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2663 247 1382 M247, RO 34984 2313 361 608 TELLCOM-AS, TR 58224 1824 944 540 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, 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 11448 3364 608 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2402 360 629 Mega Cable, S.A. de C.V., MX 11830 2179 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1038 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 1606 393 19 LINKdotNET-AS, EG 24835 1494 517 25 RAYA-AS, EG 36992 1296 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 809 520 45 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 505 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 448 54 47 WANANCHI-, KE 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 11448 3364 608 UNINET, MX 9808 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8700 10914 3137 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5680 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4517 300 611 CABLEONE, US 18403 4233 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4188 289 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 160 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 9517 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8700 5563 AMAZON-02, US 7545 5680 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4233 4208 FPT-AS-AP FPT Telecom Company, VN 7155 4188 4088 VIASAT-SP-BACKBONE, US 20940 4078 3918 AKAMAI-ASN1, NL 11492 4517 3906 CABLEONE, US 7552 3699 3678 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.88.0/24 Origin: 20473 AS-CHOOPA, US 23.158.88.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 UNASSIGNED 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 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 /12:296 /13:574 /14:1198 /15:2105 /16:13426 /17:8188 /18:13708 /19:24844 /20:43306 /21:50961 /22:109424 /23:98146 /24:553346 /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 6387 7299 UNI2-AS, ES 8151 5471 11448 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3426 4517 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3132 4188 VIASAT-SP-BACKBONE, US 8551 2929 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3537 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2510 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2173 2:1344 3:232 4:5 5:4501 6:131 7:6 8:1513 9:1 11:172 12:1519 13:377 14:2309 15:301 16:194 17:372 18:522 20:268 21:4 22:188 23:6355 24:2602 25:4 27:2525 29:19 31:2531 32:77 34:26 35:111 36:1976 37:4684 38:5016 39:829 40:152 41:3864 42:2014 43:2297 44:304 45:16631 46:4346 47:377 49:1760 50:1845 51:584 52:1592 54:397 55:974 56:8 57:120 58:1817 59:1095 60:985 61:2508 62:2654 63:1917 64:5557 65:2314 66:4904 67:3042 68:1323 69:4091 70:1206 71:676 72:2983 74:2630 75:1574 76:612 77:2441 78:1811 79:2973 80:2114 81:1779 82:1490 83:1264 84:1522 85:2973 86:766 87:1989 88:1175 89:3840 90:614 91:7787 92:2043 93:2602 94:3581 95:4037 96:1305 97:331 98:1149 99:734 100:95 101:1313 102:2850 103:31703 104:4550 105:502 106:877 107:2555 108:1073 109:4241 110:2107 111:3130 112:2054 113:1740 114:1631 115:1973 116:1902 117:2561 118:2612 119:1971 120:1788 121:1077 122:2558 123:2134 124:1571 125:2466 128:1367 129:1033 130:1004 131:1961 132:850 133:422 134:1796 135:307 136:888 137:963 138:2502 139:1561 140:1255 141:1301 142:1463 143:1495 144:983 145:339 146:1947 147:1603 148:2404 149:2152 150:881 151:1165 152:1950 153:500 154:4671 155:1366 156:1841 157:1321 158:1095 159:2258 160:2589 161:1549 162:3508 163:1554 164:1651 165:1874 166:1058 167:1731 168:3853 169:933 170:4599 171:891 172:3647 173:2962 174:1044 175:1177 176:3724 177:4528 178:3611 179:2149 180:2466 181:3493 182:3398 183:1992 184:2312 185:20453 186:4775 187:4089 188:4103 189:3701 190:9238 191:1382 192:10894 193:8909 194:7313 195:5150 196:3198 197:2457 198:5923 199:6081 200:7964 201:5909 202:10265 203:10098 204:4559 205:3660 206:4288 207:3380 208:4116 209:4896 210:4184 211:2444 212:4233 213:3576 214:1090 215:60 216:6637 217:2751 218:1260 219:414 220:1765 221:960 222:682 223:2158 End of report