IPv4 R&E Routing Table Report 23:05 GMT Wed 21 Feb, 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: 933011 Prefixes after maximum aggregation (per Origin AS): 357005 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457159 Number of IPv4 prefixes with a valid ROA: 447060 Number of IPv4 prefixes with an invalid ROA: 1046 Number of IPv4 prefixes with no ROA: 484905 Total ASes present in the Internet Routing Table: 75252 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64739 Origin ASes announcing only one prefix: 26593 Transit ASes present in the Internet Routing Table: 10513 Transit-only ASes present in the Internet Routing Table: 478 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1071 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 43666 Number of 32-bit ASNs visible in the Routing Table: 35861 Prefixes from 32-bit ASNs in the Routing Table: 180764 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: 517 Number of addresses announced to Internet: 3041081600 Equivalent to 181 /8s, 67 /16s and 57 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309040 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245494 Total APNIC prefixes after maximum aggregation: 72065 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238309 Unique aggregates announced from the APNIC address blocks: 99939 APNIC Region origin ASes present in the Internet Routing Table: 13893 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4188 APNIC Region transit ASes present in the Internet Routing Table: 1854 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: 9328 Number of APNIC addresses announced to Internet: 774026496 Equivalent to 46 /8s, 34 /16s and 181 /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: 273102 Total ARIN prefixes after maximum aggregation: 123740 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277801 Unique aggregates announced from the ARIN address blocks: 132196 ARIN Region origin ASes present in the Internet Routing Table: 19056 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4839 Number of ARIN addresses announced to Internet: 1269382656 Equivalent to 75 /8s, 169 /16s and 62 /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: 262195 Total RIPE prefixes after maximum aggregation: 125696 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257055 Unique aggregates announced from the RIPE address blocks: 161865 RIPE Region origin ASes present in the Internet Routing Table: 28553 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11612 Number of RIPE addresses announced to Internet: 713495040 Equivalent to 42 /8s, 135 /16s and 18 /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: 120759 Total LACNIC prefixes after maximum aggregation: 28750 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119305 Unique aggregates announced from the LACNIC address blocks: 49533 LACNIC Region origin ASes present in the Internet Routing Table: 11064 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8913 Number of LACNIC addresses announced to Internet: 177709568 Equivalent to 10 /8s, 151 /16s and 162 /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: 30390 Total AfriNIC prefixes after maximum aggregation: 6042 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40024 Unique aggregates announced from the AfriNIC address blocks: 13195 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1169 Number of AfriNIC addresses announced to Internet: 106166016 Equivalent to 6 /8s, 83 /16s and 247 /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 9816 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3873 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3504 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2726 859 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 197 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 9647 11233 3338 AMAZON-02, US 11492 4582 304 645 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3215 1400 2288 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3145 6638 670 COGENT-174, US 367 2921 3696 1422 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 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 7610 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3871 3395 126 AKAMAI-ASN1, NL 9009 3252 283 1580 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1502 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 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 12483 3374 608 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2513 341 645 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1328 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1212 340 498 Axtel, S.A.B. de C.V., MX 11664 1142 179 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1076 118 374 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 1548 389 16 LINKdotNET-AS, EG 24835 1547 545 28 RAYA-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1141 73 64 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 537 82 3 KENET-AS, KE 15399 496 55 53 WANANCHI-, KE 24757 486 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 12483 3374 608 UNINET, MX 9808 9816 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9647 11233 3338 AMAZON-02, US 12479 7610 1714 147 UNI2-AS, ES 7545 5655 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4582 304 645 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3873 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 9816 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7610 7463 UNI2-AS, ES 16509 9647 6309 AMAZON-02, US 7545 5655 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4590 4565 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4582 3937 CABLEONE, US 7552 3873 3852 VIETEL-AS-AP Viettel Group, VN 20940 3871 3745 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 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 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 393577 TRITAN, 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 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 /11:98 /12:300 /13:572 /14:1190 /15:2057 /16:13331 /17:8104 /18:13560 /19:24603 /20:43119 /21:51019 /22:109717 /23:98566 /24:566701 /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 6725 7610 UNI2-AS, ES 8151 6434 12483 UNINET, MX 11492 3495 4582 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2655 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2128 3522 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) ---------------------------------------------- 1:2289 2:1515 3:298 4:6 5:4489 6:164 7:6 8:1496 9:1 11:172 12:1468 13:388 14:2350 15:312 16:204 17:366 18:736 20:356 21:4 22:188 23:6589 24:2700 25:2 27:2560 29:19 31:2562 32:45 34:39 35:121 36:2182 37:4484 38:6931 39:901 40:140 41:4027 42:2191 43:2292 44:328 45:16784 46:4352 47:287 49:1905 50:1898 51:575 52:1585 54:334 55:877 56:5 57:148 58:1965 59:1145 60:1019 61:2611 62:2676 63:1909 64:5533 65:2327 66:4804 67:3045 68:1336 69:4075 70:1196 71:575 72:2908 74:2615 75:1554 76:630 77:2403 78:1841 79:2472 80:2132 81:1894 82:1516 83:1239 84:1642 85:3078 86:778 87:1970 88:1225 89:3991 90:676 91:7919 92:2191 93:2631 94:3638 95:4071 96:1285 97:312 98:1031 99:745 100:92 101:1161 102:3068 103:32433 104:4757 105:598 106:928 107:2765 108:1132 109:4040 110:2138 111:3146 112:2048 113:1752 114:1754 115:1979 116:1954 117:2643 118:2762 119:1943 120:1785 121:1252 122:2644 123:2190 124:1562 125:2832 126:28 128:1472 129:913 130:1088 131:1821 132:813 133:412 134:1708 135:312 136:923 137:1019 138:2774 139:1540 140:1365 141:1349 142:1557 143:1469 144:1010 145:343 146:2009 147:1695 148:2510 149:2539 150:1025 151:1325 152:1981 153:526 154:5694 155:1372 156:2094 157:1545 158:1095 159:2213 160:2604 161:1627 162:3601 163:1687 164:1629 165:2105 166:1063 167:1709 168:3813 169:784 170:4698 171:994 172:3837 173:3012 174:895 175:1219 176:3634 177:4571 178:3554 179:2214 180:2361 181:3653 182:3417 183:1981 184:2263 185:20601 186:4849 187:4396 188:4016 189:4111 190:9299 191:1417 192:10958 193:8998 194:7408 195:5239 196:3132 197:2661 198:5898 199:7185 200:8066 201:6304 202:10147 203:10119 204:4530 205:3704 206:4421 207:3417 208:4105 209:4949 210:4367 211:2499 212:4277 213:3402 214:1114 215:44 216:6714 217:2797 218:1315 219:408 220:1821 221:1020 222:693 223:2204 End of report