IPv4 R&E Routing Table Report 23:05 GMT Sat 06 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: 913373 Prefixes after maximum aggregation (per Origin AS): 347383 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447961 Number of IPv4 prefixes with a valid ROA: 395568 Number of IPv4 prefixes with an invalid ROA: 1835 Number of IPv4 prefixes with no ROA: 515970 Total ASes present in the Internet Routing Table: 74186 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63786 Origin ASes announcing only one prefix: 26224 Transit ASes present in the Internet Routing Table: 10400 Transit-only ASes present in the Internet Routing Table: 423 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: 1089 Number of instances of unregistered ASNs: 1090 Number of 32-bit ASNs allocated by the RIRs: 41804 Number of 32-bit ASNs visible in the Routing Table: 34483 Prefixes from 32-bit ASNs in the Routing Table: 170419 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: 622 Number of addresses announced to Internet: 3058423808 Equivalent to 182 /8s, 75 /16s and 216 /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: 306447 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237517 Total APNIC prefixes after maximum aggregation: 68587 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231800 Unique aggregates announced from the APNIC address blocks: 97807 APNIC Region origin ASes present in the Internet Routing Table: 13328 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1782 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: 772929792 Equivalent to 46 /8s, 17 /16s and 249 /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: 268118 Total ARIN prefixes after maximum aggregation: 121939 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270670 Unique aggregates announced from the ARIN address blocks: 130004 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 4776 Number of ARIN addresses announced to Internet: 1283264768 Equivalent to 76 /8s, 125 /16s and 17 /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: 259493 Total RIPE prefixes after maximum aggregation: 122093 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255489 Unique aggregates announced from the RIPE address blocks: 158137 RIPE Region origin ASes present in the Internet Routing Table: 28314 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3929 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: 11160 Number of RIPE addresses announced to Internet: 718082048 Equivalent to 42 /8s, 205 /16s and 16 /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: 117798 Total LACNIC prefixes after maximum aggregation: 28192 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117095 Unique aggregates announced from the LACNIC address blocks: 49308 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2280 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8773 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: 29358 Total AfriNIC prefixes after maximum aggregation: 5792 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37697 Unique aggregates announced from the AfriNIC address blocks: 12195 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 107103744 Equivalent to 6 /8s, 98 /16s and 70 /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 5727 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2950 490 236 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 2180 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 8289 10784 2931 AMAZON-02, US 11492 4534 300 609 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 2505 360 434 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 4077 3399 163 AKAMAI-ASN1, NL 8551 3883 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2704 251 1393 M247, RO 34984 2273 359 611 TELLCOM-AS, TR 6849 2016 307 18 UKRTELNET, UA 58224 1852 950 534 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 3512 507 855 Telmex Colombia S.A., CO 13999 2342 360 622 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 1097 180 446 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 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 463 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 8289 10784 2931 AMAZON-02, US 12479 7282 1707 141 UNI2-AS, ES 7545 5727 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 609 CABLEONE, US 20940 4077 3399 163 AKAMAI-ASN1, NL 45899 4055 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 8289 5358 AMAZON-02, US 7545 5727 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4534 3925 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4077 3914 AKAMAI-ASN1, NL 8551 3883 3846 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 /15:2082 /16:13418 /17:8137 /18:14145 /19:24851 /20:43098 /21:50889 /22:108919 /23:97221 /24:548360 /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 3442 4534 CABLEONE, US 8551 3355 3883 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 2162 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2066 3512 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 2:1298 3:175 4:5 5:4524 6:127 7:6 8:1512 9:1 11:172 12:1535 13:388 14:2326 15:303 16:182 17:371 18:421 20:256 21:4 22:188 23:6211 24:2589 25:6 27:2485 29:19 31:2502 32:74 34:11 35:106 36:1962 37:4690 38:4554 39:827 40:150 41:3932 42:989 43:2332 44:308 45:16477 46:4264 47:357 49:1735 50:1817 51:573 52:1593 54:390 55:773 56:8 57:115 58:1683 59:1104 60:988 61:2504 62:2639 63:1922 64:5647 65:2320 66:4973 67:2996 68:1351 69:4090 70:1230 71:671 72:2986 74:2605 75:1482 76:609 77:2448 78:1799 79:3169 80:2129 81:1773 82:1499 83:1277 84:1503 85:2958 86:767 87:2022 88:1162 89:3679 90:610 91:7741 92:2061 93:2617 94:3625 95:4006 96:1312 97:335 98:1152 99:745 100:73 101:1307 102:2694 103:31248 104:4631 105:487 106:942 107:2520 108:1028 109:4408 110:2099 111:3106 112:2029 113:1530 114:1644 115:2009 116:1898 117:2562 118:2283 119:2007 120:1793 121:1060 122:2583 123:2164 124:1573 125:2457 128:1319 129:1083 130:1010 131:1999 132:847 133:422 134:1919 135:304 136:874 137:952 138:2560 139:1552 140:1238 141:1457 142:1431 143:1498 144:1161 145:346 146:1931 147:1582 148:2312 149:2218 150:878 151:1165 152:1927 153:489 154:4409 155:1448 156:1790 157:1310 158:1057 159:2316 160:2544 161:1530 162:3503 163:1511 164:1607 165:1729 166:1019 167:1722 168:3838 169:931 170:4566 171:882 172:3544 173:2924 174:1067 175:1171 176:3684 177:4579 178:3591 179:2150 180:2600 181:3466 182:3347 183:1932 184:2346 185:20201 186:4790 187:3968 188:4088 189:3562 190:9151 191:1427 192:10905 193:8854 194:7299 195:5135 196:3187 197:2361 198:5870 199:6091 200:7932 201:5884 202:10354 203:10265 204:4573 205:3641 206:4250 207:3383 208:4063 209:4836 210:4163 211:2403 212:4151 213:3590 214:1085 215:59 216:6642 217:2683 218:1273 219:406 220:1772 221:974 222:712 223:2146 End of report