IPv4 R&E Routing Table Report 23:05 GMT Tue 18 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: 920038 Prefixes after maximum aggregation (per Origin AS): 349990 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451703 Number of IPv4 prefixes with a valid ROA: 413134 Number of IPv4 prefixes with an invalid ROA: 1611 Number of IPv4 prefixes with no ROA: 505293 Total ASes present in the Internet Routing Table: 74422 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63950 Origin ASes announcing only one prefix: 26299 Transit ASes present in the Internet Routing Table: 10472 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1075 Number of instances of unregistered ASNs: 1079 Number of 32-bit ASNs allocated by the RIRs: 42254 Number of 32-bit ASNs visible in the Routing Table: 34771 Prefixes from 32-bit ASNs in the Routing Table: 172867 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 583 Number of addresses announced to Internet: 3053125120 Equivalent to 181 /8s, 250 /16s and 254 /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: 308023 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239918 Total APNIC prefixes after maximum aggregation: 69101 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 233769 Unique aggregates announced from the APNIC address blocks: 98606 APNIC Region origin ASes present in the Internet Routing Table: 13424 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3977 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of APNIC addresses announced to Internet: 773137920 Equivalent to 46 /8s, 21 /16s and 38 /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: 270291 Total ARIN prefixes after maximum aggregation: 123234 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272521 Unique aggregates announced from the ARIN address blocks: 130636 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4804 Number of ARIN addresses announced to Internet: 1276955392 Equivalent to 76 /8s, 28 /16s and 203 /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: 260118 Total RIPE prefixes after maximum aggregation: 122596 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256730 Unique aggregates announced from the RIPE address blocks: 159809 RIPE Region origin ASes present in the Internet Routing Table: 28336 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3939 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: 11235 Number of RIPE addresses announced to Internet: 716711936 Equivalent to 42 /8s, 184 /16s and 40 /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: 118786 Total LACNIC prefixes after maximum aggregation: 28438 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117915 Unique aggregates announced from the LACNIC address blocks: 49496 LACNIC Region origin ASes present in the Internet Routing Table: 11014 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2338 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8811 Number of LACNIC addresses announced to Internet: 178449920 Equivalent to 10 /8s, 162 /16s and 238 /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: 29850 Total AfriNIC prefixes after maximum aggregation: 5893 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38520 Unique aggregates announced from the AfriNIC address blocks: 12672 AfriNIC Region origin ASes present in the Internet Routing Table: 1765 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1113 Number of AfriNIC addresses announced to Internet: 107532288 Equivalent to 6 /8s, 104 /16s and 208 /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 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4224 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3698 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2451 835 447 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 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 8722 10920 3133 AMAZON-02, US 11492 4515 300 615 CABLEONE, US 7155 4189 289 100 VIASAT-SP-BACKBONE, US 22773 3537 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3152 1568 2363 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2757 3755 1320 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2504 361 381 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 7297 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 160 AKAMAI-ASN1, NL 8551 3461 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2662 247 1384 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1825 946 537 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 11601 3378 595 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2406 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1104 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1039 2500 48 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 551 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 485 73 5 EthioNet-AS, ET 37342 460 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 11601 3378 595 UNINET, MX 9808 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8722 10920 3133 AMAZON-02, US 12479 7297 1706 141 UNI2-AS, ES 7545 5681 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4515 300 615 CABLEONE, US 18403 4224 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4189 289 100 VIASAT-SP-BACKBONE, US 20940 4076 3398 160 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 9522 9485 CHINAMOBILE-CN China Mobile Communications Grou 12479 7297 7156 UNI2-AS, ES 16509 8722 5589 AMAZON-02, US 7545 5681 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4224 4199 FPT-AS-AP FPT Telecom Company, VN 7155 4189 4089 VIASAT-SP-BACKBONE, US 20940 4076 3916 AKAMAI-ASN1, NL 11492 4515 3900 CABLEONE, US 7552 3698 3677 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 7015 COMCAST-7015, 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 54338 UNALLOCATED 8.33.241.0/24 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 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:103 /12:296 /13:574 /14:1198 /15:2105 /16:13424 /17:8190 /18:13737 /19:24886 /20:43359 /21:51103 /22:109448 /23:98201 /24:553337 /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 6385 7297 UNI2-AS, ES 8151 5520 11601 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3424 4515 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3133 4189 VIASAT-SP-BACKBONE, US 8551 2930 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3537 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2169 2:1342 3:231 4:5 5:4508 6:131 7:6 8:1513 9:1 11:172 12:1520 13:375 14:2310 15:301 16:194 17:372 18:523 20:268 21:4 22:188 23:6339 24:2601 25:4 27:2521 29:19 31:2535 32:77 34:26 35:111 36:1961 37:4696 38:4993 39:829 40:152 41:3938 42:2008 43:2297 44:304 45:16595 46:4350 47:378 49:1760 50:1848 51:585 52:1594 54:397 55:970 56:8 57:120 58:1814 59:1095 60:985 61:2505 62:2657 63:1911 64:5564 65:2311 66:4902 67:3042 68:1318 69:4106 70:1206 71:675 72:2979 74:2627 75:1575 76:611 77:2441 78:1810 79:2971 80:2116 81:1795 82:1498 83:1262 84:1523 85:2955 86:765 87:2013 88:1176 89:3839 90:614 91:7795 92:2040 93:2600 94:3577 95:4040 96:1307 97:334 98:1149 99:735 100:95 101:1313 102:2850 103:31654 104:4562 105:504 106:877 107:2552 108:1070 109:4238 110:2100 111:3126 112:2054 113:1739 114:1632 115:1978 116:1897 117:2568 118:2611 119:1973 120:1792 121:1076 122:2559 123:2131 124:1573 125:2464 128:1386 129:1032 130:1008 131:1968 132:848 133:422 134:1797 135:307 136:888 137:958 138:2489 139:1562 140:1254 141:1293 142:1461 143:1506 144:984 145:337 146:1933 147:1587 148:2386 149:2136 150:882 151:1164 152:1951 153:494 154:4655 155:1360 156:1806 157:1317 158:1086 159:2261 160:2587 161:1550 162:3508 163:1552 164:1612 165:1880 166:1065 167:1729 168:3840 169:945 170:4633 171:892 172:3645 173:2952 174:1046 175:1177 176:3724 177:4559 178:3611 179:2171 180:2461 181:3487 182:3399 183:1998 184:2319 185:20499 186:4785 187:4089 188:4103 189:3724 190:9247 191:1385 192:10888 193:8924 194:7321 195:5141 196:3208 197:2377 198:5898 199:6088 200:7974 201:5935 202:10269 203:10098 204:4555 205:3674 206:4294 207:3388 208:4114 209:4898 210:4183 211:2443 212:4246 213:3577 214:1092 215:60 216:6645 217:2742 218:1260 219:414 220:1766 221:960 222:682 223:2156 End of report