IPv4 R&E Routing Table Report 23:05 GMT Fri 28 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: 920357 Prefixes after maximum aggregation (per Origin AS): 349924 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451689 Number of IPv4 prefixes with a valid ROA: 414465 Number of IPv4 prefixes with an invalid ROA: 1557 Number of IPv4 prefixes with no ROA: 504335 Total ASes present in the Internet Routing Table: 74470 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63970 Origin ASes announcing only one prefix: 26274 Transit ASes present in the Internet Routing Table: 10500 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1108 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 42338 Number of 32-bit ASNs visible in the Routing Table: 34823 Prefixes from 32-bit ASNs in the Routing Table: 173252 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: 600 Number of addresses announced to Internet: 3052587776 Equivalent to 181 /8s, 242 /16s and 203 /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: 307932 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240502 Total APNIC prefixes after maximum aggregation: 69319 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234312 Unique aggregates announced from the APNIC address blocks: 98738 APNIC Region origin ASes present in the Internet Routing Table: 13462 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3988 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: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8845 Number of APNIC addresses announced to Internet: 772902144 Equivalent to 46 /8s, 17 /16s and 141 /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: 269976 Total ARIN prefixes after maximum aggregation: 122979 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272467 Unique aggregates announced from the ARIN address blocks: 130561 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4799 Number of ARIN addresses announced to Internet: 1276503296 Equivalent to 76 /8s, 21 /16s and 229 /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: 260388 Total RIPE prefixes after maximum aggregation: 122571 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256721 Unique aggregates announced from the RIPE address blocks: 159552 RIPE Region origin ASes present in the Internet Routing Table: 28337 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3955 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: 11255 Number of RIPE addresses announced to Internet: 716630272 Equivalent to 42 /8s, 182 /16s and 233 /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: 118410 Total LACNIC prefixes after maximum aggregation: 28403 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117525 Unique aggregates announced from the LACNIC address blocks: 49645 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178587904 Equivalent to 10 /8s, 165 /16s and 9 /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: 29973 Total AfriNIC prefixes after maximum aggregation: 5907 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38732 Unique aggregates announced from the AfriNIC address blocks: 12703 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1116 Number of AfriNIC addresses announced to Internet: 107604736 Equivalent to 6 /8s, 105 /16s and 235 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4266 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3699 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3366 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2462 835 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11269 584 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 200 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 8808 10937 3165 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3535 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3131 1550 2343 AKAMAI-AS, US 367 2953 3835 1391 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2514 361 351 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 7310 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4066 3398 157 AKAMAI-ASN1, NL 8551 3454 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2674 247 1395 M247, RO 34984 2318 362 603 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1765 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 11624 3388 602 UNINET, MX 10620 3533 507 832 Telmex Colombia S.A., CO 13999 2420 362 635 Mega Cable, S.A. de C.V., MX 11830 1998 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 1299 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 1036 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1355 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 479 73 5 EthioNet-AS, ET 15399 447 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 11624 3388 602 UNINET, MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8808 10937 3165 AMAZON-02, US 12479 7310 1706 141 UNI2-AS, ES 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4266 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4066 3398 157 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7310 7169 UNI2-AS, ES 16509 8808 5643 AMAZON-02, US 7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4266 4241 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4066 3909 AKAMAI-ASN1, NL 11492 4525 3905 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 23.176.160.0/24 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 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 /12:297 /13:576 /14:1196 /15:2103 /16:13436 /17:8199 /18:13744 /19:24866 /20:43287 /21:51061 /22:109389 /23:98369 /24:553655 /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 6400 7310 UNI2-AS, ES 8151 5589 11624 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2923 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3535 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2169 2514 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 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) ---------------------------------------------- 1:2189 2:1336 3:245 4:5 5:4491 6:131 7:6 8:1510 9:1 11:172 12:1523 13:370 14:2297 15:302 16:194 17:372 18:539 20:271 21:4 22:188 23:6348 24:2467 25:4 27:2537 29:19 31:2535 32:78 34:26 35:111 36:1979 37:4690 38:5086 39:832 40:152 41:3912 42:2026 43:2302 44:307 45:16467 46:4311 47:377 49:1776 50:1852 51:584 52:1593 54:393 55:974 56:8 57:120 58:1820 59:1119 60:989 61:2511 62:2665 63:1918 64:5556 65:2290 66:4902 67:3043 68:1325 69:4079 70:1205 71:679 72:2972 74:2610 75:1576 76:615 77:2441 78:1830 79:2970 80:2118 81:1799 82:1490 83:1265 84:1528 85:2966 86:767 87:2015 88:1175 89:3855 90:619 91:7792 92:2051 93:2602 94:3571 95:4035 96:1294 97:329 98:1148 99:735 100:95 101:1314 102:2872 103:31784 104:4546 105:568 106:878 107:2547 108:1093 109:4233 110:2104 111:3128 112:2056 113:1740 114:1634 115:1993 116:1895 117:2564 118:2679 119:1976 120:1787 121:1078 122:2562 123:2133 124:1575 125:2481 128:1393 129:1034 130:1010 131:1964 132:844 133:422 134:1786 135:306 136:881 137:959 138:2637 139:1555 140:1120 141:1303 142:1458 143:1497 144:984 145:342 146:1947 147:1592 148:2402 149:2167 150:879 151:1169 152:1960 153:507 154:4685 155:1378 156:1878 157:1324 158:1094 159:2224 160:2595 161:1569 162:3505 163:1551 164:1713 165:1863 166:1021 167:1737 168:3858 169:931 170:4615 171:878 172:3626 173:2980 174:1042 175:1177 176:3731 177:4483 178:3613 179:2161 180:2471 181:3477 182:3402 183:1993 184:2294 185:20468 186:4739 187:4108 188:4098 189:3721 190:9216 191:1383 192:10916 193:8929 194:7296 195:5160 196:3207 197:2472 198:5925 199:6078 200:7898 201:5901 202:10277 203:10062 204:4551 205:3649 206:4288 207:3373 208:4120 209:4894 210:4186 211:2440 212:4260 213:3576 214:1094 215:60 216:6691 217:2760 218:1261 219:414 220:1798 221:961 222:682 223:2160 End of report