IPv4 R&E Routing Table Report 23:05 GMT Fri 05 May, 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: 913311 Prefixes after maximum aggregation (per Origin AS): 347445 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447917 Number of IPv4 prefixes with a valid ROA: 395315 Number of IPv4 prefixes with an invalid ROA: 1837 Number of IPv4 prefixes with no ROA: 516159 Total ASes present in the Internet Routing Table: 74187 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63795 Origin ASes announcing only one prefix: 26218 Transit ASes present in the Internet Routing Table: 10392 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 90 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 41797 Number of 32-bit ASNs visible in the Routing Table: 34486 Prefixes from 32-bit ASNs in the Routing Table: 170310 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 618 Number of addresses announced to Internet: 3058383872 Equivalent to 182 /8s, 75 /16s and 60 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306374 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237354 Total APNIC prefixes after maximum aggregation: 68564 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231634 Unique aggregates announced from the APNIC address blocks: 97781 APNIC Region origin ASes present in the Internet Routing Table: 13326 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3922 APNIC Region transit ASes present in the Internet Routing Table: 1780 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8697 Number of APNIC addresses announced to Internet: 772881408 Equivalent to 46 /8s, 17 /16s and 60 /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, 131072-151865 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: 268366 Total ARIN prefixes after maximum aggregation: 122004 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270900 Unique aggregates announced from the ARIN address blocks: 129956 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4778 Number of ARIN addresses announced to Internet: 1283249664 Equivalent to 76 /8s, 124 /16s and 214 /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: 259396 Total RIPE prefixes after maximum aggregation: 122083 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255423 Unique aggregates announced from the RIPE address blocks: 158149 RIPE Region origin ASes present in the Internet Routing Table: 28309 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11158 Number of RIPE addresses announced to Internet: 718117888 Equivalent to 42 /8s, 205 /16s and 156 /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: 117725 Total LACNIC prefixes after maximum aggregation: 28198 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117019 Unique aggregates announced from the LACNIC address blocks: 49312 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2285 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8776 Number of LACNIC addresses announced to Internet: 176632576 Equivalent to 10 /8s, 135 /16s and 51 /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: 29383 Total AfriNIC prefixes after maximum aggregation: 5816 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37717 Unique aggregates announced from the AfriNIC address blocks: 12209 AfriNIC Region origin ASes present in the Internet Routing Table: 1724 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 90 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1077 Number of AfriNIC addresses announced to Internet: 107091456 Equivalent to 6 /8s, 98 /16s and 22 /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 9466 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5725 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4054 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2949 490 235 BBIL-AP BHARTI Airtel Ltd., IN 24560 2385 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 585 KIXS-AS-KR Korea Telecom, KR 4755 2178 442 196 TATACOMM-AS TATA Communications formerl 45090 2148 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 8281 10783 2945 AMAZON-02, US 11492 4533 300 610 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3584 3040 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3106 1570 2349 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2521 24151 1583 ATT-INTERNET4, US 30036 2504 360 437 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 7282 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4076 3399 163 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2703 251 1392 M247, RO 34984 2272 359 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 535 TCI, IR 13188 1607 100 18 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 11273 3328 599 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2342 360 620 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 513 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1591 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1021 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 489 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 11273 3328 599 Uninet S.A. de C.V., MX 9808 9466 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8281 10783 2945 AMAZON-02, US 12479 7282 1707 141 UNI2-AS, ES 7545 5725 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4533 300 610 CABLEONE, US 20940 4076 3399 163 AKAMAI-ASN1, NL 45899 4054 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 VIASAT-SP-BACKBONE, US 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 9466 9429 CHINAMOBILE-CN China Mobile Communications Grou 12479 7282 7141 UNI2-AS, ES 16509 8281 5336 AMAZON-02, US 7545 5725 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4054 4007 VNPT-AS-VN VNPT Corp, VN 7155 3975 3924 VIASAT-SP-BACKBONE, US 11492 4533 3923 CABLEONE, US 20940 4076 3913 AKAMAI-ASN1, NL 8551 3884 3847 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:105 /12:301 /13:576 /14:1194 /15:2080 /16:13419 /17:8137 /18:14146 /19:24851 /20:43090 /21:50868 /22:108886 /23:97184 /24:548397 /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 6342 7282 UNI2-AS, ES 8151 5219 11273 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3441 4533 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2650 3584 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1677 2:1297 3:175 4:5 5:4526 6:127 7:6 8:1513 9:1 11:172 12:1535 13:387 14:2323 15:303 16:182 17:373 18:420 20:256 21:4 22:188 23:6214 24:2595 25:6 27:2488 29:19 31:2500 32:74 34:11 35:106 36:1950 37:4698 38:4551 39:827 40:150 41:3928 42:989 43:2336 44:309 45:16475 46:4262 47:357 49:1735 50:1815 51:573 52:1593 54:388 55:763 56:8 57:115 58:1683 59:1103 60:988 61:2473 62:2637 63:1922 64:5639 65:2321 66:4971 67:2999 68:1352 69:4088 70:1230 71:671 72:2987 74:2606 75:1482 76:609 77:2444 78:1799 79:3171 80:2126 81:1756 82:1497 83:1277 84:1504 85:2957 86:768 87:2020 88:1163 89:3678 90:610 91:7742 92:2067 93:2618 94:3615 95:4005 96:1311 97:335 98:1152 99:745 100:73 101:1307 102:2694 103:31239 104:4635 105:488 106:937 107:2521 108:1024 109:4408 110:2099 111:3097 112:2030 113:1530 114:1644 115:2009 116:1896 117:2562 118:2284 119:2007 120:1793 121:1060 122:2585 123:2164 124:1573 125:2457 128:1320 129:1076 130:1008 131:1993 132:847 133:422 134:1917 135:304 136:880 137:950 138:2555 139:1550 140:1238 141:1458 142:1431 143:1497 144:1162 145:346 146:1930 147:1579 148:2532 149:2217 150:876 151:1159 152:1924 153:489 154:4414 155:1448 156:1784 157:1311 158:1054 159:2315 160:2545 161:1531 162:3507 163:1512 164:1609 165:1730 166:1016 167:1726 168:3834 169:935 170:4562 171:882 172:3544 173:2924 174:1067 175:1170 176:3685 177:4576 178:3592 179:2158 180:2600 181:3460 182:3346 183:1932 184:2343 185:20200 186:4783 187:3968 188:4091 189:3561 190:9141 191:1428 192:10917 193:8854 194:7295 195:5147 196:3180 197:2387 198:5870 199:6086 200:7928 201:5869 202:10319 203:10245 204:4576 205:3652 206:4250 207:3382 208:4067 209:4837 210:4164 211:2403 212:4149 213:3583 214:1086 215:59 216:6642 217:2682 218:1273 219:406 220:1771 221:974 222:712 223:2146 End of report