IPv4 R&E Routing Table Report 23:05 GMT Mon 10 Jul, 2023 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: 918834 Prefixes after maximum aggregation (per Origin AS): 349505 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451308 Number of IPv4 prefixes with a valid ROA: 410645 Number of IPv4 prefixes with an invalid ROA: 1693 Number of IPv4 prefixes with no ROA: 506496 Total ASes present in the Internet Routing Table: 74351 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63880 Origin ASes announcing only one prefix: 26281 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1027 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 42273 Number of 32-bit ASNs visible in the Routing Table: 34704 Prefixes from 32-bit ASNs in the Routing Table: 172537 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 533 Number of addresses announced to Internet: 3052604928 Equivalent to 181 /8s, 243 /16s and 14 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307627 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240010 Total APNIC prefixes after maximum aggregation: 68996 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233799 Unique aggregates announced from the APNIC address blocks: 98550 APNIC Region origin ASes present in the Internet Routing Table: 13413 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3975 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8800 Number of APNIC addresses announced to Internet: 772946688 Equivalent to 46 /8s, 18 /16s and 59 /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: 269584 Total ARIN prefixes after maximum aggregation: 123041 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272077 Unique aggregates announced from the ARIN address blocks: 130662 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4797 Number of ARIN addresses announced to Internet: 1276763392 Equivalent to 76 /8s, 25 /16s and 221 /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: 259915 Total RIPE prefixes after maximum aggregation: 122535 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256319 Unique aggregates announced from the RIPE address blocks: 159481 RIPE Region origin ASes present in the Internet Routing Table: 28307 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11203 Number of RIPE addresses announced to Internet: 716641792 Equivalent to 42 /8s, 183 /16s and 22 /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 196608-213403 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: 118501 Total LACNIC prefixes after maximum aggregation: 28380 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117669 Unique aggregates announced from the LACNIC address blocks: 49548 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2316 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: 8801 Number of LACNIC addresses announced to Internet: 178407680 Equivalent to 10 /8s, 162 /16s and 73 /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: 29797 Total AfriNIC prefixes after maximum aggregation: 5855 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38437 Unique aggregates announced from the AfriNIC address blocks: 12625 AfriNIC Region origin ASes present in the Internet Routing Table: 1749 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1103 Number of AfriNIC addresses announced to Internet: 107528960 Equivalent to 6 /8s, 104 /16s and 195 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5683 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3044 497 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2442 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 199 TATACOMM-AS TATA Communications formerl 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 8697 10905 3138 AMAZON-02, US 11492 4519 300 623 CABLEONE, US 7155 4170 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3139 1554 2356 AKAMAI-AS, US 367 2743 3743 1312 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 404 MEDIACOM-ENTERPRISE-BUSINESS, 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 7309 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 159 AKAMAI-ASN1, NL 8551 3462 368 31 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2655 246 1381 M247, RO 34984 2306 361 611 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11504 3375 598 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2403 360 630 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1103 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 TIM SA, BR 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 487 73 5 EthioNet-AS, ET 37342 468 32 1 MOVITEL, MZ 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 11504 3375 598 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8697 10905 3138 AMAZON-02, US 12479 7309 1706 141 UNI2-AS, ES 7545 5683 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 623 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4170 288 86 VIASAT-SP-BACKBONE, US 20940 4082 3398 159 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 9514 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7309 7168 UNI2-AS, ES 16509 8697 5559 AMAZON-02, US 7545 5683 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4084 VIASAT-SP-BACKBONE, US 20940 4082 3923 AKAMAI-ASN1, NL 11492 4519 3896 CABLEONE, US 7552 3692 3671 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 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 /10:38 /11:103 /12:296 /13:574 /14:1198 /15:2105 /16:13421 /17:8178 /18:13716 /19:24860 /20:43224 /21:51046 /22:109204 /23:98069 /24:552763 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6397 7309 UNI2-AS, ES 8151 5456 11504 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3119 4170 VIASAT-SP-BACKBONE, US 8551 2932 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2158 2:1340 3:227 4:5 5:4503 6:130 7:6 8:1512 9:1 11:172 12:1517 13:387 14:2311 15:301 16:194 17:372 18:501 20:262 21:4 22:188 23:6343 24:2517 25:6 27:2505 29:19 31:2512 32:77 34:23 35:111 36:1973 37:4681 38:4959 39:828 40:152 41:3961 42:1992 43:2313 44:304 45:16537 46:4347 47:374 49:1765 50:1851 51:586 52:1588 54:395 55:976 56:8 57:117 58:1814 59:1107 60:987 61:2508 62:2652 63:1901 64:5584 65:2318 66:4985 67:3031 68:1351 69:4057 70:1201 71:676 72:2980 74:2604 75:1564 76:611 77:2449 78:1815 79:2979 80:2116 81:1791 82:1489 83:1254 84:1517 85:2979 86:762 87:2010 88:1182 89:3793 90:615 91:7762 92:2045 93:2596 94:3582 95:4049 96:1310 97:340 98:1136 99:736 100:94 101:1310 102:2833 103:31633 104:4553 105:506 106:876 107:2553 108:1085 109:4231 110:2091 111:3131 112:2055 113:1743 114:1631 115:1975 116:1900 117:2578 118:2614 119:1975 120:1792 121:1076 122:2590 123:2127 124:1577 125:2463 128:1400 129:1042 130:1005 131:1966 132:844 133:422 134:1794 135:308 136:892 137:951 138:2518 139:1557 140:1215 141:1346 142:1460 143:1494 144:1026 145:342 146:1942 147:1572 148:2404 149:2158 150:876 151:1165 152:1954 153:496 154:4627 155:1383 156:1803 157:1311 158:1085 159:2260 160:2584 161:1556 162:3506 163:1547 164:1586 165:1871 166:1060 167:1720 168:3827 169:948 170:4609 171:885 172:3620 173:2954 174:1083 175:1191 176:3760 177:4481 178:3608 179:2168 180:2447 181:3481 182:3394 183:2005 184:2318 185:20399 186:4778 187:4064 188:4097 189:3688 190:9247 191:1372 192:10878 193:8917 194:7317 195:5137 196:3202 197:2379 198:5899 199:6087 200:7974 201:5926 202:10255 203:10095 204:4557 205:3682 206:4267 207:3364 208:4119 209:4884 210:4168 211:2438 212:4246 213:3585 214:1086 215:59 216:6625 217:2754 218:1271 219:414 220:1762 221:964 222:683 223:2156 End of report