IPv4 R&E Routing Table Report 23:05 GMT Wed 02 Aug, 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: 920675 Prefixes after maximum aggregation (per Origin AS): 350409 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452412 Number of IPv4 prefixes with a valid ROA: 414845 Number of IPv4 prefixes with an invalid ROA: 1631 Number of IPv4 prefixes with no ROA: 504199 Total ASes present in the Internet Routing Table: 74471 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64023 Origin ASes announcing only one prefix: 26294 Transit ASes present in the Internet Routing Table: 10448 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 132 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 42366 Number of 32-bit ASNs visible in the Routing Table: 34849 Prefixes from 32-bit ASNs in the Routing Table: 173279 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: 575 Number of addresses announced to Internet: 3052449536 Equivalent to 181 /8s, 240 /16s and 175 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 308142 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240555 Total APNIC prefixes after maximum aggregation: 69418 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234398 Unique aggregates announced from the APNIC address blocks: 98778 APNIC Region origin ASes present in the Internet Routing Table: 13464 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3981 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8844 Number of APNIC addresses announced to Internet: 772951296 Equivalent to 46 /8s, 18 /16s and 77 /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: 270590 Total ARIN prefixes after maximum aggregation: 123468 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272672 Unique aggregates announced from the ARIN address blocks: 130785 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4806 Number of ARIN addresses announced to Internet: 1276623104 Equivalent to 76 /8s, 23 /16s and 185 /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: 260110 Total RIPE prefixes after maximum aggregation: 122475 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256835 Unique aggregates announced from the RIPE address blocks: 159855 RIPE Region origin ASes present in the Internet Routing Table: 28350 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11273 Number of RIPE addresses announced to Internet: 716464384 Equivalent to 42 /8s, 180 /16s and 97 /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: 118429 Total LACNIC prefixes after maximum aggregation: 28395 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117546 Unique aggregates announced from the LACNIC address blocks: 49793 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2325 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8812 Number of LACNIC addresses announced to Internet: 178494976 Equivalent to 10 /8s, 163 /16s and 158 /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: 29929 Total AfriNIC prefixes after maximum aggregation: 5930 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38649 Unique aggregates announced from the AfriNIC address blocks: 12723 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 132 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1114 Number of AfriNIC addresses announced to Internet: 107585280 Equivalent to 6 /8s, 105 /16s and 159 /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 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5698 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3705 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3349 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3054 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2472 838 432 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2181 442 201 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 8799 10932 3205 AMAZON-02, US 11492 4524 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3534 3036 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3088 1521 2325 AKAMAI-AS, US 367 2956 3825 1386 DNIC-ASBLK-00306-00371, US 396982 2682 3596 386 GOOGLE-CLOUD-PLATFORM, US 30036 2512 359 364 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 7319 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4069 3398 157 AKAMAI-ASN1, NL 8551 3452 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2675 248 1397 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1815 944 536 TCI, IR 6849 1752 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 11611 3372 610 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2424 362 637 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 234 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1040 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 502 32 1 MOVITEL, MZ 24757 465 73 5 EthioNet-AS, ET 15399 447 54 47 WANANCHI-, KE 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 11611 3372 610 UNINET, MX 9808 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8799 10932 3205 AMAZON-02, US 12479 7319 1706 141 UNI2-AS, ES 7545 5698 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 620 CABLEONE, US 18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4069 3398 157 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 9518 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7319 7178 UNI2-AS, ES 16509 8799 5594 AMAZON-02, US 7545 5698 5011 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4260 4235 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4069 3912 AKAMAI-ASN1, NL 11492 4524 3904 CABLEONE, US 7552 3705 3684 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 /11:102 /12:296 /13:572 /14:1195 /15:2101 /16:13436 /17:8184 /18:13734 /19:24830 /20:43228 /21:51044 /22:109373 /23:98374 /24:554129 /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 6409 7319 UNI2-AS, ES 8151 5604 11611 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2921 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3534 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2169 2512 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2183 2:1349 3:247 4:5 5:4497 6:131 7:6 8:1514 9:1 11:172 12:1522 13:373 14:2300 15:302 16:194 17:376 18:549 20:273 21:4 22:188 23:6363 24:2475 25:4 27:2526 29:19 31:2522 32:78 34:26 35:111 36:1983 37:4667 38:5104 39:835 40:147 41:3898 42:2027 43:2301 44:309 45:16539 46:4342 47:384 49:1772 50:1855 51:585 52:1589 54:388 55:960 56:8 57:120 58:1822 59:1118 60:991 61:2499 62:2664 63:1921 64:5567 65:2286 66:4908 67:3045 68:1322 69:4081 70:1205 71:680 72:2974 74:2619 75:1580 76:615 77:2453 78:1827 79:2966 80:2115 81:1802 82:1494 83:1270 84:1514 85:2966 86:763 87:1997 88:1173 89:3851 90:615 91:7800 92:2056 93:2574 94:3575 95:4034 96:1296 97:322 98:1147 99:735 100:95 101:1314 102:2870 103:31851 104:4552 105:566 106:877 107:2549 108:1093 109:4242 110:2114 111:3135 112:2056 113:1738 114:1641 115:1994 116:1893 117:2575 118:2674 119:1973 120:1786 121:1082 122:2570 123:2136 124:1578 125:2481 128:1406 129:1039 130:1015 131:1955 132:840 133:422 134:1788 135:306 136:895 137:968 138:2619 139:1566 140:1238 141:1300 142:1463 143:1498 144:1002 145:342 146:1944 147:1611 148:2405 149:2175 150:874 151:1167 152:1959 153:510 154:4654 155:1381 156:1862 157:1326 158:1081 159:2223 160:2600 161:1570 162:3511 163:1559 164:1709 165:1869 166:988 167:1731 168:3856 169:931 170:4587 171:894 172:3632 173:2984 174:1043 175:1175 176:3734 177:4552 178:3610 179:2169 180:2441 181:3489 182:3403 183:1993 184:2302 185:20476 186:4747 187:4101 188:4101 189:3757 190:9206 191:1388 192:10928 193:8927 194:7287 195:5154 196:3197 197:2459 198:5930 199:6085 200:7947 201:5980 202:10282 203:10036 204:4550 205:3643 206:4254 207:3372 208:4119 209:4898 210:4187 211:2430 212:4252 213:3592 214:1090 215:60 216:6701 217:2763 218:1262 219:414 220:1799 221:963 222:667 223:2159 End of report