IPv4 R&E Routing Table Report 23:05 GMT Tue 02 Apr, 2024 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: 936346 Prefixes after maximum aggregation (per Origin AS): 358543 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458994 Number of IPv4 prefixes with a valid ROA: 457879 Number of IPv4 prefixes with an invalid ROA: 1051 Number of IPv4 prefixes with no ROA: 477416 Total ASes present in the Internet Routing Table: 75387 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64737 Origin ASes announcing only one prefix: 26555 Transit ASes present in the Internet Routing Table: 10650 Transit-only ASes present in the Internet Routing Table: 492 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 43989 Number of 32-bit ASNs visible in the Routing Table: 36068 Prefixes from 32-bit ASNs in the Routing Table: 182588 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3027528704 Equivalent to 180 /8s, 116 /16s and 108 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309028 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246796 Total APNIC prefixes after maximum aggregation: 72405 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239531 Unique aggregates announced from the APNIC address blocks: 99978 APNIC Region origin ASes present in the Internet Routing Table: 13960 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4218 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9397 Number of APNIC addresses announced to Internet: 760105216 Equivalent to 45 /8s, 78 /16s and 73 /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: 273485 Total ARIN prefixes after maximum aggregation: 124039 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278105 Unique aggregates announced from the ARIN address blocks: 133107 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4863 Number of ARIN addresses announced to Internet: 1269468160 Equivalent to 75 /8s, 170 /16s and 140 /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: 263080 Total RIPE prefixes after maximum aggregation: 126460 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257977 Unique aggregates announced from the RIPE address blocks: 162793 RIPE Region origin ASes present in the Internet Routing Table: 28576 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3971 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11695 Number of RIPE addresses announced to Internet: 714544640 Equivalent to 42 /8s, 151 /16s and 22 /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: 121290 Total LACNIC prefixes after maximum aggregation: 28789 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119615 Unique aggregates announced from the LACNIC address blocks: 49586 LACNIC Region origin ASes present in the Internet Routing Table: 11063 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2607 LACNIC Region transit ASes present in the Internet Routing Table: 2391 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8925 Number of LACNIC addresses announced to Internet: 177221120 Equivalent to 10 /8s, 144 /16s and 46 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30631 Total AfriNIC prefixes after maximum aggregation: 6149 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 40538 Unique aggregates announced from the AfriNIC address blocks: 13064 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.26 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105880064 Equivalent to 6 /8s, 79 /16s and 154 /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 9830 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4627 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3618 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3563 497 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2769 863 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9794 11363 3414 AMAZON-02, US 11492 4584 304 636 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3347 6629 808 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3079 1314 2206 AKAMAI-AS, US 367 2883 3579 1365 DNIC-ASBLK-00306-00371, US 396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, 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 7673 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3844 3395 126 AKAMAI-ASN1, NL 9009 3263 283 1596 M247, RO 12389 2973 2304 905 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1505 98 712 STARK-INDUSTRIES, GB 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 12354 3315 493 UNINET, MX 10620 3526 496 887 Telmex Colombia S.A., CO 13999 2522 347 655 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1078 369 22 Telefonica del Peru S.A.A., PE 22884 1071 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 75 74 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 529 55 52 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 24757 429 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 12354 3315 493 UNINET, MX 9808 9830 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9794 11363 3414 AMAZON-02, US 12479 7673 1709 144 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4627 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4584 304 636 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9830 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7673 7529 UNI2-AS, ES 16509 9794 6380 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4627 4602 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4584 3948 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3844 3718 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 3356 LEVEL3, 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:297 /13:579 /14:1194 /15:2067 /16:13243 /17:8128 /18:13576 /19:24503 /20:43002 /21:50864 /22:110106 /23:98210 /24:570408 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6790 7673 UNI2-AS, ES 8151 6367 12354 UNINET, MX 11492 3503 4584 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2615 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1482 3:320 4:6 5:4516 6:162 7:6 8:1499 9:1 11:172 12:1462 13:377 14:2355 15:318 16:210 17:367 18:755 20:356 21:4 22:188 23:6641 24:2716 25:2 27:2581 29:19 31:2644 32:46 34:62 35:123 36:2253 37:4468 38:7174 39:892 40:125 41:4057 42:2233 43:2317 44:317 45:16909 46:4376 47:302 49:1894 50:1909 51:573 52:1585 54:306 55:998 56:5 57:164 58:1983 59:1186 60:1027 61:2608 62:2695 63:1891 64:5541 65:2318 66:4675 67:3066 68:1333 69:4101 70:1192 71:576 72:2896 74:2573 75:1548 76:630 77:2422 78:1844 79:2469 80:2186 81:1936 82:1550 83:1315 84:1638 85:3106 86:833 87:2017 88:1237 89:4019 90:677 91:8071 92:2194 93:2649 94:3654 95:4121 96:1304 97:313 98:1035 99:744 100:93 101:1168 102:3071 103:32449 104:4722 105:635 106:928 107:2753 108:1113 109:4033 110:2135 111:3224 112:2059 113:1769 114:1779 115:2013 116:1863 117:2621 118:2842 119:1962 120:1784 121:1263 122:2665 123:2199 124:1607 125:2849 126:32 128:1432 129:927 130:1091 131:1861 132:796 133:410 134:1720 135:316 136:943 137:1032 138:2803 139:1544 140:1391 141:1360 142:1589 143:1493 144:997 145:345 146:2024 147:1735 148:2478 149:2568 150:1032 151:1335 152:2000 153:523 154:6173 155:1419 156:2221 157:1672 158:1112 159:2309 160:2595 161:1631 162:3589 163:1703 164:1636 165:2129 166:1111 167:1760 168:3914 169:790 170:4737 171:1003 172:3831 173:3026 174:902 175:1199 176:3627 177:4698 178:3583 179:2252 180:2363 181:3663 182:3381 183:2039 184:2266 185:20625 186:4939 187:4481 188:4039 189:4078 190:9301 191:1482 192:10961 193:9031 194:7433 195:5244 196:3147 197:2356 198:5877 199:7535 200:7987 201:6277 202:10184 203:10152 204:4537 205:3722 206:4438 207:3367 208:4115 209:4988 210:4386 211:2485 212:4287 213:3380 214:1090 215:50 216:6759 217:2804 218:1312 219:406 220:1817 221:1032 222:692 223:2208 End of report