IPv4 R&E Routing Table Report 23:05 GMT Thu 11 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: 929406 Prefixes after maximum aggregation (per Origin AS): 355248 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455110 Number of IPv4 prefixes with a valid ROA: 436163 Number of IPv4 prefixes with an invalid ROA: 1149 Number of IPv4 prefixes with no ROA: 492094 Total ASes present in the Internet Routing Table: 75025 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64602 Origin ASes announcing only one prefix: 26563 Transit ASes present in the Internet Routing Table: 10423 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1098 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 43351 Number of 32-bit ASNs visible in the Routing Table: 35596 Prefixes from 32-bit ASNs in the Routing Table: 178803 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: 493 Number of addresses announced to Internet: 3046114304 Equivalent to 181 /8s, 144 /16s and 4 /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: 308533 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244627 Total APNIC prefixes after maximum aggregation: 71661 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237623 Unique aggregates announced from the APNIC address blocks: 99574 APNIC Region origin ASes present in the Internet Routing Table: 13801 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 4157 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9214 Number of APNIC addresses announced to Internet: 774184192 Equivalent to 46 /8s, 37 /16s and 29 /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: 271961 Total ARIN prefixes after maximum aggregation: 123278 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276686 Unique aggregates announced from the ARIN address blocks: 131928 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1846 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: 4829 Number of ARIN addresses announced to Internet: 1272143104 Equivalent to 75 /8s, 211 /16s and 93 /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: 261453 Total RIPE prefixes after maximum aggregation: 124922 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256135 Unique aggregates announced from the RIPE address blocks: 160886 RIPE Region origin ASes present in the Internet Routing Table: 28476 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3880 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11495 Number of RIPE addresses announced to Internet: 714236928 Equivalent to 42 /8s, 146 /16s and 100 /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: 119809 Total LACNIC prefixes after maximum aggregation: 28628 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118504 Unique aggregates announced from the LACNIC address blocks: 49459 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2345 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: 8901 Number of LACNIC addresses announced to Internet: 177482240 Equivalent to 10 /8s, 148 /16s and 42 /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: 30458 Total AfriNIC prefixes after maximum aggregation: 6031 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39965 Unique aggregates announced from the AfriNIC address blocks: 12858 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107778560 Equivalent to 6 /8s, 108 /16s and 146 /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 9770 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3848 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3427 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3272 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2670 858 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 442 200 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 9482 11203 3376 AMAZON-02, US 11492 4562 303 683 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3502 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3251 1419 2327 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2957 3829 1423 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2508 23622 1574 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 7547 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3994 3397 140 AKAMAI-ASN1, NL 9009 3467 298 1625 M247, RO 8551 2977 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2301 912 ROSTELECOM-AS, RU 34984 2324 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1515 873 581 TCI, IR 8452 1475 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 12226 3380 615 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 637 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1113 178 420 Techtel LMDS Comunicaciones Interactiva 6147 1088 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 1539 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1079 69 55 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 15399 511 53 43 WANANCHI-, KE 24757 480 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 12226 3380 615 UNINET, MX 9808 9770 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9482 11203 3376 AMAZON-02, US 12479 7547 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4562 303 683 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3994 3397 140 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 9770 9720 CHINAMOBILE-CN China Mobile Communications Grou 12479 7547 7401 UNI2-AS, ES 16509 9482 6106 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4562 3879 CABLEONE, US 20940 3994 3854 AKAMAI-ASN1, NL 7552 3848 3828 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 23.169.120.0/24 Origin: 13737 AS-INCX, US 23.169.120.0/24 Transit: 12129 123NET, 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 /11:99 /12:301 /13:577 /14:1192 /15:2060 /16:13384 /17:8126 /18:13622 /19:24674 /20:43124 /21:51188 /22:109903 /23:98298 /24:562784 /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 6632 7547 UNI2-AS, ES 8151 6219 12226 UNINET, MX 11492 3477 4562 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2454 2977 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2128 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3523 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) ---------------------------------------------- 1:2277 2:1467 3:281 4:5 5:4421 6:163 7:6 8:1494 9:1 11:172 12:1486 13:375 14:2311 15:310 16:204 17:361 18:716 20:346 21:4 22:188 23:6583 24:2667 25:2 27:2501 29:19 31:2538 32:53 34:36 35:119 36:2150 37:4481 38:5887 39:888 40:147 41:4141 42:2205 43:2293 44:326 45:16623 46:4296 47:286 49:1895 50:1866 51:574 52:1591 54:370 55:866 56:5 57:128 58:1871 59:1108 60:1012 61:2598 62:2729 63:1901 64:5500 65:2334 66:4930 67:3040 68:1337 69:4080 70:1176 71:578 72:2917 74:2637 75:1555 76:622 77:2340 78:1824 79:2737 80:2129 81:1878 82:1529 83:1313 84:1621 85:3051 86:774 87:1952 88:1224 89:3941 90:661 91:7896 92:2181 93:2624 94:3588 95:4009 96:1288 97:315 98:1012 99:745 100:95 101:1155 102:3022 103:32417 104:4770 105:600 106:909 107:2745 108:1118 109:4059 110:2137 111:3157 112:2078 113:1716 114:1743 115:1998 116:1954 117:2634 118:2777 119:1944 120:1765 121:1259 122:2629 123:2172 124:1590 125:2777 126:28 128:1406 129:896 130:1064 131:1921 132:827 133:410 134:1707 135:304 136:906 137:993 138:2751 139:1564 140:1353 141:1341 142:1538 143:1494 144:1001 145:341 146:1989 147:1643 148:2511 149:2419 150:1000 151:1312 152:1955 153:530 154:5511 155:1373 156:2084 157:1383 158:1080 159:2205 160:2612 161:1610 162:3610 163:1664 164:1610 165:2097 166:1063 167:1693 168:3820 169:792 170:4680 171:975 172:3782 173:2985 174:892 175:1215 176:3594 177:4600 178:3524 179:2221 180:2357 181:3655 182:3409 183:2014 184:2266 185:20470 186:4781 187:4312 188:3986 189:3961 190:9310 191:1458 192:10990 193:8940 194:7342 195:5206 196:3161 197:2574 198:5891 199:6954 200:8012 201:6250 202:10174 203:10039 204:4569 205:3662 206:4375 207:3373 208:4067 209:4903 210:4335 211:2500 212:4211 213:3387 214:1112 215:44 216:6769 217:2770 218:1292 219:414 220:1817 221:1019 222:686 223:2187 End of report