IPv4 R&E Routing Table Report 23:05 GMT Fri 22 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: 923331 Prefixes after maximum aggregation (per Origin AS): 352006 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453226 Number of IPv4 prefixes with a valid ROA: 421157 Number of IPv4 prefixes with an invalid ROA: 1666 Number of IPv4 prefixes with no ROA: 500508 Total ASes present in the Internet Routing Table: 74650 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64217 Origin ASes announcing only one prefix: 26355 Transit ASes present in the Internet Routing Table: 10433 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 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: 42660 Number of 32-bit ASNs visible in the Routing Table: 35066 Prefixes from 32-bit ASNs in the Routing Table: 174947 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 540 Number of addresses announced to Internet: 3053733632 Equivalent to 182 /8s, 4 /16s and 71 /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: 308295 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241316 Total APNIC prefixes after maximum aggregation: 70156 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234985 Unique aggregates announced from the APNIC address blocks: 98912 APNIC Region origin ASes present in the Internet Routing Table: 13554 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4027 APNIC Region transit ASes present in the Internet Routing Table: 1815 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8946 Number of APNIC addresses announced to Internet: 772264448 Equivalent to 46 /8s, 7 /16s and 210 /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: 271198 Total ARIN prefixes after maximum aggregation: 123330 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274476 Unique aggregates announced from the ARIN address blocks: 131657 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 14.41 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1881 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1278031616 Equivalent to 76 /8s, 45 /16s and 55 /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: 261429 Total RIPE prefixes after maximum aggregation: 123512 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256888 Unique aggregates announced from the RIPE address blocks: 160062 RIPE Region origin ASes present in the Internet Routing Table: 28403 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3906 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: 11331 Number of RIPE addresses announced to Internet: 716856320 Equivalent to 42 /8s, 186 /16s and 92 /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: 118316 Total LACNIC prefixes after maximum aggregation: 28331 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117258 Unique aggregates announced from the LACNIC address blocks: 49298 LACNIC Region origin ASes present in the Internet Routing Table: 11023 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2326 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8841 Number of LACNIC addresses announced to Internet: 178369280 Equivalent to 10 /8s, 161 /16s and 179 /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: 30073 Total AfriNIC prefixes after maximum aggregation: 5976 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39184 Unique aggregates announced from the AfriNIC address blocks: 12848 AfriNIC Region origin ASes present in the Internet Routing Table: 1788 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1132 Number of AfriNIC addresses announced to Internet: 107779328 Equivalent to 6 /8s, 108 /16s and 149 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5727 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3743 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3150 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2515 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 9118 10998 3268 AMAZON-02, US 11492 4532 301 669 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3541 1319 66 SHAW, CA 22773 3539 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2993 3841 1431 DNIC-ASBLK-00306-00371, US 16625 2971 1412 2265 AKAMAI-AS, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 377 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 7392 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4050 3398 152 AKAMAI-ASN1, NL 8551 3456 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2905 2296 913 ROSTELECOM-AS, RU 9009 2766 256 1418 M247, RO 34984 2333 362 592 TELLCOM-AS, TR 58224 1741 927 529 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1476 1852 16 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 11850 3368 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2406 334 623 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 764 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1115 180 429 Techtel LMDS Comunicaciones Interactiva 6147 1112 369 22 Telefonica del Peru S.A.A., PE 26615 1035 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 1601 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 937 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 472 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 11850 3368 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9118 10998 3268 AMAZON-02, US 12479 7392 1713 145 UNI2-AS, ES 7545 5727 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4532 301 669 CABLEONE, US 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4050 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7392 7247 UNI2-AS, ES 16509 9118 5850 AMAZON-02, US 7545 5727 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4295 4270 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4050 3898 AKAMAI-ASN1, NL 11492 4532 3863 CABLEONE, US 7552 3743 3723 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /11:101 /12:297 /13:575 /14:1195 /15:2096 /16:13443 /17:8194 /18:13725 /19:24829 /20:43194 /21:50915 /22:109628 /23:98646 /24:556416 /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 6479 7392 UNI2-AS, ES 8151 5872 11850 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3444 4532 CABLEONE, US 6327 3352 3541 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2924 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2589 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2106 3542 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) ---------------------------------------------- 1:2209 2:1413 3:265 4:5 5:4501 6:135 7:6 8:1500 9:1 11:172 12:1513 13:375 14:2316 15:302 16:192 17:368 18:651 20:286 21:4 22:188 23:6405 24:2497 25:2 27:2580 29:19 31:2526 32:74 34:27 35:114 36:2000 37:4521 38:5323 39:870 40:147 41:4023 42:2081 43:2272 44:322 45:16576 46:4276 47:370 49:1823 50:1878 51:598 52:1595 54:393 55:966 56:5 57:123 58:1796 59:1118 60:1001 61:2538 62:2677 63:1913 64:5619 65:2348 66:4915 67:3032 68:1339 69:4144 70:1192 71:662 72:2939 74:2615 75:1561 76:628 77:2296 78:1827 79:2986 80:2110 81:1816 82:1489 83:1294 84:1533 85:3066 86:765 87:2006 88:1166 89:3888 90:620 91:7807 92:2063 93:2616 94:3515 95:4022 96:1300 97:314 98:1078 99:734 100:90 101:1319 102:2869 103:32079 104:4722 105:576 106:886 107:2685 108:1125 109:4228 110:2125 111:3136 112:2059 113:1747 114:1683 115:1996 116:1887 117:2536 118:2701 119:1960 120:1776 121:1117 122:2601 123:2154 124:1570 125:2510 128:1419 129:912 130:1033 131:1971 132:859 133:408 134:1778 135:306 136:973 137:971 138:2630 139:1561 140:1174 141:1317 142:1502 143:1545 144:1001 145:351 146:1937 147:1599 148:2429 149:2257 150:875 151:1230 152:1980 153:523 154:5088 155:1388 156:1930 157:1342 158:1086 159:2231 160:2614 161:1589 162:3530 163:1602 164:1691 165:1859 166:1057 167:1739 168:3721 169:878 170:4635 171:921 172:3754 173:2962 174:981 175:1178 176:3766 177:4439 178:3526 179:2138 180:2490 181:3505 182:3315 183:2000 184:2283 185:20595 186:4713 187:4186 188:4157 189:3853 190:9205 191:1366 192:10972 193:8953 194:7294 195:5206 196:3168 197:2438 198:5890 199:6113 200:7842 201:6040 202:10197 203:9998 204:4540 205:3673 206:4317 207:3396 208:4133 209:4907 210:4207 211:2439 212:4273 213:3408 214:1111 215:57 216:6668 217:2777 218:1267 219:405 220:1792 221:980 222:663 223:2145 End of report