IPv4 R&E Routing Table Report 23:05 GMT Wed 10 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: 930535 Prefixes after maximum aggregation (per Origin AS): 356175 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455975 Number of IPv4 prefixes with a valid ROA: 435679 Number of IPv4 prefixes with an invalid ROA: 1169 Number of IPv4 prefixes with no ROA: 493687 Total ASes present in the Internet Routing Table: 74971 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64561 Origin ASes announcing only one prefix: 26534 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 459 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: 1091 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 43337 Number of 32-bit ASNs visible in the Routing Table: 35551 Prefixes from 32-bit ASNs in the Routing Table: 178560 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: 491 Number of addresses announced to Internet: 3047177216 Equivalent to 181 /8s, 160 /16s and 60 /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: 309608 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244531 Total APNIC prefixes after maximum aggregation: 71650 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237587 Unique aggregates announced from the APNIC address blocks: 99630 APNIC Region origin ASes present in the Internet Routing Table: 13786 APNIC Prefixes per ASN: 17.23 APNIC Region origin ASes announcing only one prefix: 4147 APNIC Region transit ASes present in the Internet Routing Table: 1849 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: 9199 Number of APNIC addresses announced to Internet: 774175488 Equivalent to 46 /8s, 36 /16s and 251 /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: 273202 Total ARIN prefixes after maximum aggregation: 124280 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277891 Unique aggregates announced from the ARIN address blocks: 132890 ARIN Region origin ASes present in the Internet Routing Table: 19008 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1845 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: 4818 Number of ARIN addresses announced to Internet: 1272886784 Equivalent to 75 /8s, 222 /16s and 182 /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: 261320 Total RIPE prefixes after maximum aggregation: 124849 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255928 Unique aggregates announced from the RIPE address blocks: 160787 RIPE Region origin ASes present in the Internet Routing Table: 28469 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3876 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: 714270720 Equivalent to 42 /8s, 146 /16s and 232 /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: 119999 Total LACNIC prefixes after maximum aggregation: 28649 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118725 Unique aggregates announced from the LACNIC address blocks: 49436 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: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2341 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: 8893 Number of LACNIC addresses announced to Internet: 177801216 Equivalent to 10 /8s, 153 /16s and 8 /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: 30392 Total AfriNIC prefixes after maximum aggregation: 6024 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39913 Unique aggregates announced from the AfriNIC address blocks: 12820 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 22.12 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1146 Number of AfriNIC addresses announced to Internet: 107763200 Equivalent to 6 /8s, 108 /16s and 86 /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 9760 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4553 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3849 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3424 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3272 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2668 857 378 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 9458 11199 3355 AMAZON-02, US 11492 4562 303 683 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3251 1424 2329 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2961 3830 1430 DNIC-ASBLK-00306-00371, US 396982 2747 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2504 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 7539 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3990 3397 140 AKAMAI-ASN1, NL 9009 3464 298 1623 M247, RO 8551 2978 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2299 921 ROSTELECOM-AS, RU 34984 2325 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 12217 3380 613 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2497 340 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 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 1526 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 522 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 12217 3380 613 UNINET, MX 9808 9760 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9458 11199 3355 AMAZON-02, US 12479 7539 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 4553 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3990 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 9760 9710 CHINAMOBILE-CN China Mobile Communications Grou 12479 7539 7393 UNI2-AS, ES 16509 9458 6103 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4553 4528 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4562 3879 CABLEONE, US 20940 3990 3850 AKAMAI-ASN1, NL 7552 3849 3829 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 23.176.160.0/24 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /12:301 /13:577 /14:1193 /15:2060 /16:13384 /17:8152 /18:13643 /19:24705 /20:43158 /21:51188 /22:109891 /23:99364 /24:562746 /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 6624 7539 UNI2-AS, ES 8151 6209 12217 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 2556 3504 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2455 2978 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2127 2471 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 2:1461 3:281 4:5 5:4419 6:164 7:6 8:1495 9:1 11:172 12:1485 13:373 14:2332 15:310 16:204 17:361 18:715 20:345 21:4 22:188 23:6543 24:2668 25:2 27:2505 29:19 31:2540 32:53 34:36 35:119 36:2150 37:4438 38:5862 39:884 40:147 41:4121 42:2206 43:2280 44:327 45:16641 46:4310 47:286 49:1889 50:1869 51:574 52:1591 54:370 55:868 56:5 57:127 58:1859 59:1100 60:1012 61:2593 62:2728 63:1902 64:5491 65:2340 66:4953 67:3040 68:1336 69:4078 70:1173 71:576 72:2910 74:2639 75:1556 76:622 77:2333 78:1823 79:2723 80:2129 81:1856 82:1528 83:1313 84:1622 85:3054 86:776 87:1951 88:1224 89:3941 90:661 91:7893 92:2174 93:2622 94:3589 95:4010 96:1288 97:315 98:1012 99:744 100:94 101:1149 102:3006 103:32465 104:4768 105:600 106:909 107:2735 108:1117 109:4061 110:2132 111:3155 112:2078 113:1715 114:1743 115:2000 116:1954 117:2629 118:2776 119:1945 120:1768 121:1249 122:2630 123:2171 124:1579 125:2774 126:28 128:1407 129:894 130:1061 131:1963 132:826 133:411 134:1709 135:304 136:916 137:994 138:2747 139:1566 140:1351 141:1342 142:1538 143:1530 144:1000 145:337 146:1985 147:1643 148:2508 149:2391 150:1018 151:1312 152:1956 153:530 154:5501 155:1373 156:2089 157:1380 158:1081 159:2200 160:2613 161:1613 162:3608 163:1659 164:1608 165:2097 166:1061 167:1695 168:3833 169:789 170:4684 171:981 172:3777 173:2990 174:892 175:1215 176:3597 177:4562 178:3521 179:2225 180:2356 181:3660 182:3409 183:2014 184:2269 185:20455 186:4803 187:4315 188:3983 189:3958 190:9415 191:1455 192:10988 193:8936 194:7328 195:5202 196:3167 197:2587 198:5896 199:6934 200:8021 201:6286 202:10170 203:10037 204:4567 205:3669 206:4376 207:3374 208:4068 209:4901 210:4332 211:2499 212:4212 213:3387 214:1121 215:44 216:6768 217:2741 218:1292 219:414 220:1816 221:1019 222:686 223:2186 End of report