IPv4 R&E Routing Table Report 23:05 GMT Sat 10 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: 932969 Prefixes after maximum aggregation (per Origin AS): 356488 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456957 Number of IPv4 prefixes with a valid ROA: 442019 Number of IPv4 prefixes with an invalid ROA: 1062 Number of IPv4 prefixes with no ROA: 489888 Total ASes present in the Internet Routing Table: 75149 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64673 Origin ASes announcing only one prefix: 26513 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 459 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: 1070 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 43596 Number of 32-bit ASNs visible in the Routing Table: 35770 Prefixes from 32-bit ASNs in the Routing Table: 180494 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: 499 Number of addresses announced to Internet: 3040918784 Equivalent to 181 /8s, 64 /16s and 189 /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: 309459 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245451 Total APNIC prefixes after maximum aggregation: 72054 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238268 Unique aggregates announced from the APNIC address blocks: 99956 APNIC Region origin ASes present in the Internet Routing Table: 13866 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4177 APNIC Region transit ASes present in the Internet Routing Table: 1853 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: 9288 Number of APNIC addresses announced to Internet: 773867264 Equivalent to 46 /8s, 32 /16s and 71 /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: 273635 Total ARIN prefixes after maximum aggregation: 123471 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278407 Unique aggregates announced from the ARIN address blocks: 132314 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4840 Number of ARIN addresses announced to Internet: 1269287168 Equivalent to 75 /8s, 167 /16s and 201 /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: 261874 Total RIPE prefixes after maximum aggregation: 125533 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256611 Unique aggregates announced from the RIPE address blocks: 161446 RIPE Region origin ASes present in the Internet Routing Table: 28517 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3888 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: 11565 Number of RIPE addresses announced to Internet: 713340672 Equivalent to 42 /8s, 132 /16s and 183 /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: 120558 Total LACNIC prefixes after maximum aggregation: 28652 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119155 Unique aggregates announced from the LACNIC address blocks: 49569 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2367 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: 8907 Number of LACNIC addresses announced to Internet: 177814016 Equivalent to 10 /8s, 153 /16s and 58 /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: 30381 Total AfriNIC prefixes after maximum aggregation: 6067 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40029 Unique aggregates announced from the AfriNIC address blocks: 13260 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1170 Number of AfriNIC addresses announced to Internet: 106312192 Equivalent to 6 /8s, 86 /16s and 50 /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 9814 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2697 859 383 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 9639 11227 3381 AMAZON-02, US 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3610 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3223 1411 2301 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 174 3166 6640 662 COGENT-174, US 367 2919 3728 1420 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 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 7597 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3849 3396 132 AKAMAI-ASN1, NL 9009 3292 286 1598 M247, RO 12389 2894 2302 908 ROSTELECOM-AS, RU 8551 2699 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1492 848 597 TCI, IR 8452 1483 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 12414 3391 622 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 Axtel, S.A.B. de C.V., MX 11664 1134 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 375 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 1518 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1124 72 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 529 82 3 KENET-AS, KE 15399 523 55 52 WANANCHI-, KE 24757 487 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 12414 3391 622 UNINET, MX 9808 9814 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9639 11227 3381 AMAZON-02, US 12479 7597 1698 149 UNI2-AS, ES 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 7552 3877 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 9814 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7597 7448 UNI2-AS, ES 16509 9639 6258 AMAZON-02, US 7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4580 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3849 3717 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 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: 20473 AS-CHOOPA, 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 /13:574 /14:1190 /15:2059 /16:13319 /17:8088 /18:13547 /19:24652 /20:43146 /21:51192 /22:109854 /23:98761 /24:566115 /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 6714 7597 UNI2-AS, ES 8151 6378 12414 UNINET, MX 11492 3494 4580 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2656 3610 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2175 2699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 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) ---------------------------------------------- 1:2307 2:1528 3:298 4:6 5:4464 6:165 7:6 8:1496 9:1 11:172 12:1481 13:379 14:2335 15:311 16:203 17:360 18:732 20:353 21:4 22:188 23:6581 24:2705 25:2 27:2550 29:19 31:2556 32:54 34:39 35:121 36:2167 37:4465 38:6889 39:900 40:140 41:4062 42:2215 43:2293 44:332 45:16825 46:4337 47:285 49:1899 50:1894 51:572 52:1591 54:343 55:883 56:5 57:144 58:1964 59:1144 60:1018 61:2621 62:2691 63:1922 64:5508 65:2330 66:4884 67:3053 68:1336 69:4082 70:1197 71:578 72:2910 74:2644 75:1554 76:628 77:2353 78:1844 79:2509 80:2127 81:1887 82:1521 83:1245 84:1620 85:3072 86:783 87:1964 88:1218 89:3983 90:672 91:7914 92:2190 93:2629 94:3639 95:4062 96:1284 97:313 98:1031 99:744 100:95 101:1154 102:3065 103:32466 104:4758 105:588 106:917 107:2763 108:1126 109:4007 110:2146 111:3151 112:2061 113:1735 114:1744 115:1977 116:1950 117:2643 118:2752 119:1943 120:1784 121:1261 122:2632 123:2194 124:1558 125:2812 126:28 128:1462 129:910 130:1078 131:1821 132:816 133:411 134:1705 135:311 136:919 137:1007 138:2774 139:1540 140:1361 141:1346 142:1555 143:1510 144:1012 145:342 146:1991 147:1694 148:2509 149:2509 150:1022 151:1323 152:1972 153:527 154:5651 155:1369 156:2095 157:1502 158:1086 159:2193 160:2601 161:1626 162:3599 163:1689 164:1614 165:2107 166:1061 167:1708 168:3772 169:794 170:4689 171:996 172:3808 173:3007 174:897 175:1216 176:3634 177:4557 178:3528 179:2225 180:2367 181:3682 182:3419 183:2015 184:2276 185:20520 186:4816 187:4406 188:3977 189:4046 190:9311 191:1439 192:10974 193:8973 194:7378 195:5249 196:3141 197:2634 198:5899 199:7133 200:8025 201:6340 202:10141 203:10112 204:4535 205:3706 206:4369 207:3408 208:4104 209:4909 210:4360 211:2505 212:4257 213:3407 214:1115 215:44 216:6796 217:2770 218:1313 219:423 220:1823 221:1019 222:691 223:2202 End of report