IPv4 R&E Routing Table Report 23:05 GMT Thu 27 Jun, 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: 945468 Prefixes after maximum aggregation (per Origin AS): 361954 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464892 Number of IPv4 prefixes with a valid ROA: 481797 Number of IPv4 prefixes with an invalid ROA: 1079 Number of IPv4 prefixes with no ROA: 462592 Total ASes present in the Internet Routing Table: 75695 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65122 Origin ASes announcing only one prefix: 26662 Transit ASes present in the Internet Routing Table: 10573 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 44880 Number of 32-bit ASNs visible in the Routing Table: 36556 Prefixes from 32-bit ASNs in the Routing Table: 187050 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 567 Number of addresses announced to Internet: 3024169728 Equivalent to 180 /8s, 65 /16s and 43 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249372 Total APNIC prefixes after maximum aggregation: 73445 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241418 Unique aggregates announced from the APNIC address blocks: 101007 APNIC Region origin ASes present in the Internet Routing Table: 14116 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4284 APNIC Region transit ASes present in the Internet Routing Table: 1876 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9586 Number of APNIC addresses announced to Internet: 761109504 Equivalent to 45 /8s, 93 /16s and 156 /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: 276369 Total ARIN prefixes after maximum aggregation: 125096 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280873 Unique aggregates announced from the ARIN address blocks: 134621 ARIN Region origin ASes present in the Internet Routing Table: 19101 ARIN Prefixes per ASN: 14.70 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4929 Number of ARIN addresses announced to Internet: 1266653440 Equivalent to 75 /8s, 127 /16s and 153 /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, 393216-402332 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: 265392 Total RIPE prefixes after maximum aggregation: 127473 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260203 Unique aggregates announced from the RIPE address blocks: 165079 RIPE Region origin ASes present in the Internet Routing Table: 28630 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11845 Number of RIPE addresses announced to Internet: 713645824 Equivalent to 42 /8s, 137 /16s and 95 /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: 121453 Total LACNIC prefixes after maximum aggregation: 29049 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119548 Unique aggregates announced from the LACNIC address blocks: 50080 LACNIC Region origin ASes present in the Internet Routing Table: 11100 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2400 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8983 Number of LACNIC addresses announced to Internet: 176665600 Equivalent to 10 /8s, 135 /16s and 180 /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: 31883 Total AfriNIC prefixes after maximum aggregation: 6226 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42859 Unique aggregates announced from the AfriNIC address blocks: 13645 AfriNIC Region origin ASes present in the Internet Routing Table: 1850 AfriNIC Prefixes per ASN: 23.17 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1213 Number of AfriNIC addresses announced to Internet: 105727488 Equivalent to 6 /8s, 77 /16s and 70 /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 9863 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5644 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4242 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3954 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3783 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3640 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 420 209 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 10105 11535 3644 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3764 8790 899 COGENT-174, US 6327 3594 1320 79 SHAW, CA 22773 3443 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US 749 3248 54901 2500 DNIC-AS-00749, US 16625 3039 1316 2202 AKAMAI-AS, US 7018 2908 23670 1830 ATT-INTERNET4, US 396982 2766 3611 414 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 7710 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3807 3396 130 AKAMAI-ASN1, NL 9009 3593 306 1817 M247, RO 12389 2878 2292 861 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1699 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1571 1852 14 TE-AS TE-AS, EG 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 11790 3291 513 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2551 357 680 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 771 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1094 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1058 97 365 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 24863 1620 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1233 78 74 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 534 82 3 KENET-AS, KE 15399 517 56 56 WANANCHI-, KE 37342 478 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 11790 3291 513 UNINET, MX 16509 10105 11535 3644 AMAZON-02, US 9808 9863 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7710 1708 145 UNI2-AS, ES 7545 5644 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4242 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3954 1331 21 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 9863 9791 CHINAMOBILE-CN China Mobile Communications Grou 12479 7710 7565 UNI2-AS, ES 16509 10105 6461 AMAZON-02, US 7545 5644 4973 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4242 4219 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3954 3933 VIETEL-AS-AP Viettel Group, VN 20940 3807 3677 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 3356 LEVEL3, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.183.24.0/24 Origin: 396877 VINTERCHANGE, US 23.183.24.0/24 Transit: 62915 WTECHLINK, US 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 /11:93 /12:296 /13:569 /14:1170 /15:2059 /16:13211 /17:8153 /18:13593 /19:24327 /20:43096 /21:51167 /22:110697 /23:99151 /24:577812 /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 6798 7710 UNI2-AS, ES 8151 5882 11790 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2559 3443 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2123 10105 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2301 2:1494 3:363 4:6 5:4354 6:164 7:6 8:1513 9:1 11:172 12:1445 13:359 14:2364 15:318 16:219 17:367 18:771 20:387 21:4 22:188 23:6861 24:2713 25:2 27:2555 29:19 31:2559 32:45 34:65 35:134 36:2345 37:4470 38:7961 39:898 40:146 41:4102 42:2012 43:2347 44:324 45:17206 46:4491 47:302 49:1959 50:1882 51:581 52:1582 54:314 55:912 56:8 57:212 58:2085 59:1192 60:1039 61:2624 62:2742 63:1879 64:5480 65:2307 66:4591 67:2991 68:1299 69:4059 70:1173 71:577 72:2876 74:2591 75:1550 76:621 77:2493 78:1857 79:1784 80:2187 81:2015 82:1637 83:1345 84:1679 85:3179 86:908 87:2027 88:1223 89:4164 90:684 91:8140 92:2328 93:2698 94:3718 95:4194 96:1286 97:317 98:1027 99:739 100:73 101:1166 102:3510 103:32335 104:4774 105:702 106:992 107:2482 108:1147 109:4020 110:2127 111:3256 112:2039 113:1822 114:1815 115:2075 116:1872 117:2661 118:2798 119:1974 120:1777 121:1300 122:2691 123:2213 124:1610 125:2841 126:32 128:1394 129:922 130:1161 131:1857 132:814 133:413 134:1735 135:323 136:1121 137:1057 138:2857 139:1514 140:1405 141:1386 142:1666 143:1553 144:1011 145:370 146:2080 147:1974 148:2536 149:2735 150:1035 151:1369 152:2216 153:521 154:6944 155:1492 156:2282 157:1865 158:1163 159:2314 160:2754 161:1694 162:3537 163:1690 164:1667 165:2146 166:1279 167:1812 168:4022 169:794 170:4918 171:1030 172:3864 173:3042 174:889 175:1240 176:3453 177:4751 178:3678 179:2232 180:2410 181:3769 182:3342 183:1988 184:2252 185:20849 186:4972 187:4348 188:4059 189:4169 190:9458 191:1475 192:11008 193:9138 194:7502 195:5304 196:3200 197:2726 198:5894 199:7942 200:8115 201:6329 202:10154 203:10165 204:4552 205:3643 206:4432 207:3488 208:4139 209:5002 210:4402 211:2529 212:4348 213:3559 214:1055 215:49 216:6745 217:3053 218:1288 219:417 220:1809 221:1038 222:687 223:2220 End of report