IPv4 R&E Routing Table Report 23:05 GMT Thu 18 Jan, 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: 930051 Prefixes after maximum aggregation (per Origin AS): 355678 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455375 Number of IPv4 prefixes with a valid ROA: 436519 Number of IPv4 prefixes with an invalid ROA: 1157 Number of IPv4 prefixes with no ROA: 492375 Total ASes present in the Internet Routing Table: 75055 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64521 Origin ASes announcing only one prefix: 26551 Transit ASes present in the Internet Routing Table: 10534 Transit-only ASes present in the Internet Routing Table: 465 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43414 Number of 32-bit ASNs visible in the Routing Table: 35632 Prefixes from 32-bit ASNs in the Routing Table: 178895 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: 476 Number of addresses announced to Internet: 3046362368 Equivalent to 181 /8s, 147 /16s and 205 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308613 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244712 Total APNIC prefixes after maximum aggregation: 71754 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237762 Unique aggregates announced from the APNIC address blocks: 99659 APNIC Region origin ASes present in the Internet Routing Table: 13813 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4159 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9227 Number of APNIC addresses announced to Internet: 774310656 Equivalent to 46 /8s, 39 /16s and 11 /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: 272271 Total ARIN prefixes after maximum aggregation: 123504 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276959 Unique aggregates announced from the ARIN address blocks: 131952 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1271693312 Equivalent to 75 /8s, 204 /16s and 128 /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: 261395 Total RIPE prefixes after maximum aggregation: 125044 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255994 Unique aggregates announced from the RIPE address blocks: 161030 RIPE Region origin ASes present in the Internet Routing Table: 28510 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3924 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11532 Number of RIPE addresses announced to Internet: 714347264 Equivalent to 42 /8s, 148 /16s and 19 /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: 120064 Total LACNIC prefixes after maximum aggregation: 28627 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118733 Unique aggregates announced from the LACNIC address blocks: 49447 LACNIC Region origin ASes present in the Internet Routing Table: 11042 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2368 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8889 Number of LACNIC addresses announced to Internet: 177982464 Equivalent to 10 /8s, 155 /16s and 204 /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: 30544 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40127 Unique aggregates announced from the AfriNIC address blocks: 12889 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.08 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1164 Number of AfriNIC addresses announced to Internet: 107749376 Equivalent to 6 /8s, 108 /16s and 32 /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 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4577 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3868 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3443 499 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2678 859 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 442 198 TATACOMM-AS TATA Communications formerl 45090 2149 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 9488 11202 3371 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3516 3044 304 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3248 1417 2324 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2972 3833 1432 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2519 23623 1582 ATT-INTERNET4, 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 7561 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3988 3396 132 AKAMAI-ASN1, NL 9009 3352 291 1606 M247, RO 12389 2892 2301 912 ROSTELECOM-AS, RU 8551 2789 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1484 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 12321 3368 623 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2485 337 648 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1117 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 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 1548 545 28 RAYA-AS, EG 24863 1527 389 16 LINKdotNET-AS, EG 36992 1363 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1087 70 55 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 527 82 3 KENET-AS, KE 24757 483 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 12321 3368 623 UNINET, MX 9808 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9488 11202 3371 AMAZON-02, US 12479 7561 1714 146 UNI2-AS, ES 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4577 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3988 3396 132 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 9769 9718 CHINAMOBILE-CN China Mobile Communications Grou 12479 7561 7415 UNI2-AS, ES 16509 9488 6117 AMAZON-02, US 7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4577 4552 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3988 3856 AKAMAI-ASN1, NL 7552 3868 3848 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 8.10.69.0/24 174 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 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 /10:36 /11:99 /12:300 /13:575 /14:1193 /15:2063 /16:13401 /17:8126 /18:13641 /19:24706 /20:43149 /21:51178 /22:109881 /23:98323 /24:563342 /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 6643 7561 UNI2-AS, ES 8151 6300 12321 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2553 3516 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2265 2789 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1469 3:284 4:5 5:4426 6:161 7:6 8:1494 9:1 11:172 12:1482 13:373 14:2335 15:310 16:203 17:361 18:718 20:348 21:4 22:188 23:6592 24:2677 25:2 27:2516 29:19 31:2546 32:51 34:36 35:119 36:2152 37:4488 38:5950 39:888 40:149 41:4127 42:2211 43:2291 44:325 45:16671 46:4296 47:284 49:1898 50:1879 51:574 52:1591 54:361 55:859 56:5 57:129 58:1875 59:1120 60:1016 61:2599 62:2721 63:1907 64:5509 65:2341 66:4864 67:3041 68:1330 69:4080 70:1176 71:579 72:2918 74:2638 75:1554 76:621 77:2334 78:1826 79:2559 80:2130 81:1899 82:1526 83:1264 84:1624 85:3063 86:772 87:1959 88:1217 89:3946 90:659 91:7898 92:2175 93:2631 94:3592 95:4018 96:1288 97:318 98:1014 99:744 100:96 101:1166 102:3045 103:32405 104:4785 105:599 106:909 107:2754 108:1114 109:4037 110:2135 111:3139 112:2085 113:1727 114:1744 115:2001 116:1953 117:2640 118:2765 119:1948 120:1766 121:1261 122:2637 123:2171 124:1552 125:2797 126:28 128:1411 129:900 130:1064 131:1931 132:821 133:410 134:1709 135:307 136:919 137:1002 138:2753 139:1558 140:1298 141:1341 142:1541 143:1522 144:1003 145:340 146:1987 147:1650 148:2515 149:2416 150:1018 151:1306 152:1961 153:528 154:5600 155:1372 156:2092 157:1397 158:1087 159:2205 160:2600 161:1623 162:3600 163:1662 164:1618 165:2092 166:1065 167:1698 168:3799 169:791 170:4679 171:992 172:3779 173:2999 174:892 175:1216 176:3615 177:4576 178:3515 179:2245 180:2368 181:3667 182:3411 183:2017 184:2274 185:20495 186:4780 187:4377 188:3982 189:3985 190:9313 191:1472 192:10986 193:8944 194:7345 195:5206 196:3168 197:2606 198:5888 199:7014 200:8033 201:6325 202:10109 203:10057 204:4584 205:3673 206:4380 207:3400 208:4087 209:4905 210:4336 211:2501 212:4203 213:3395 214:1105 215:44 216:6773 217:2764 218:1290 219:414 220:1820 221:1021 222:687 223:2193 End of report