IPv4 R&E Routing Table Report 23:05 GMT Sun 13 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: 920058 Prefixes after maximum aggregation (per Origin AS): 350518 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452347 Number of IPv4 prefixes with a valid ROA: 415987 Number of IPv4 prefixes with an invalid ROA: 885 Number of IPv4 prefixes with no ROA: 503186 Total ASes present in the Internet Routing Table: 74530 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64113 Origin ASes announcing only one prefix: 26309 Transit ASes present in the Internet Routing Table: 10417 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 137 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 42429 Number of 32-bit ASNs visible in the Routing Table: 34892 Prefixes from 32-bit ASNs in the Routing Table: 173529 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 544 Number of addresses announced to Internet: 3051691520 Equivalent to 181 /8s, 229 /16s and 30 /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: 307728 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240286 Total APNIC prefixes after maximum aggregation: 69540 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234056 Unique aggregates announced from the APNIC address blocks: 98722 APNIC Region origin ASes present in the Internet Routing Table: 13489 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 3992 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8868 Number of APNIC addresses announced to Internet: 772833536 Equivalent to 46 /8s, 16 /16s and 129 /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: 270471 Total ARIN prefixes after maximum aggregation: 123415 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272485 Unique aggregates announced from the ARIN address blocks: 130741 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: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4809 Number of ARIN addresses announced to Internet: 1275617024 Equivalent to 76 /8s, 8 /16s and 95 /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: 259852 Total RIPE prefixes after maximum aggregation: 122464 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256769 Unique aggregates announced from the RIPE address blocks: 159917 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11284 Number of RIPE addresses announced to Internet: 716702976 Equivalent to 42 /8s, 184 /16s and 5 /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 196608-216475 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: 118286 Total LACNIC prefixes after maximum aggregation: 28454 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117363 Unique aggregates announced from the LACNIC address blocks: 49825 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8818 Number of LACNIC addresses announced to Internet: 178550528 Equivalent to 10 /8s, 164 /16s and 119 /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: 30106 Total AfriNIC prefixes after maximum aggregation: 5931 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38841 Unique aggregates announced from the AfriNIC address blocks: 12690 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 137 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1113 Number of AfriNIC addresses announced to Internet: 107592704 Equivalent to 6 /8s, 105 /16s and 188 /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 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5697 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3726 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3347 1840 97 VNPT-AS-VN VNPT Corp, VN 9498 2812 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 405 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2186 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 8808 10962 3186 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3559 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3149 54961 2401 DNIC-AS-00749, US 16625 3070 1499 2310 AKAMAI-AS, US 367 2974 3826 1410 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2476 354 466 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 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4073 3398 154 AKAMAI-ASN1, NL 8551 3454 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2667 247 1393 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1818 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1555 103 1211 ASDETUK www.heficed.com, US 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 11480 3358 607 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2430 362 637 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1041 2501 49 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 550 1861 34 IAM-AS, MA 37342 478 32 1 MOVITEL, MZ 24757 472 73 5 EthioNet-AS, ET 15399 449 54 48 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 11480 3358 607 UNINET, MX 9808 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8808 10962 3186 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5697 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4073 3398 154 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 9521 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8808 5622 AMAZON-02, US 7545 5697 5010 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4073 3919 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3726 3705 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 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 /11:102 /12:295 /13:572 /14:1194 /15:2099 /16:13463 /17:8211 /18:13736 /19:24819 /20:43249 /21:51021 /22:109339 /23:98358 /24:553523 /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 6425 7339 UNI2-AS, ES 8151 5510 11480 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2922 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3559 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2133 2476 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 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) ---------------------------------------------- 1:2207 2:1342 3:228 4:5 5:4530 6:134 7:6 8:1517 9:1 11:172 12:1513 13:372 14:2299 15:302 16:194 17:371 18:592 20:278 21:4 22:188 23:6384 24:2479 25:6 27:2527 29:19 31:2523 32:78 34:26 35:114 36:1975 37:4611 38:5108 39:849 40:147 41:3973 42:2041 43:2308 44:314 45:16535 46:4277 47:384 49:1773 50:1845 51:583 52:1598 54:391 55:965 56:8 57:121 58:1817 59:1109 60:993 61:2393 62:2683 63:1918 64:5552 65:2291 66:4912 67:3008 68:1320 69:4085 70:1202 71:680 72:2974 74:2615 75:1575 76:615 77:2439 78:1835 79:2979 80:2119 81:1798 82:1494 83:1275 84:1522 85:2970 86:762 87:1982 88:1170 89:3841 90:617 91:7813 92:2061 93:2594 94:3527 95:3996 96:1293 97:318 98:1083 99:735 100:90 101:1314 102:2927 103:31856 104:4560 105:566 106:878 107:2552 108:1112 109:4246 110:2109 111:3137 112:2054 113:1745 114:1645 115:1990 116:1904 117:2538 118:2660 119:1971 120:1768 121:1085 122:2572 123:2142 124:1560 125:2479 128:1383 129:1036 130:1013 131:1964 132:851 133:422 134:1786 135:308 136:899 137:972 138:2631 139:1574 140:1245 141:1296 142:1465 143:1484 144:979 145:342 146:1944 147:1606 148:2411 149:2108 150:880 151:1177 152:1960 153:513 154:4697 155:1378 156:1895 157:1320 158:1081 159:2223 160:2619 161:1568 162:3511 163:1577 164:1697 165:1834 166:979 167:1728 168:3841 169:925 170:4604 171:900 172:3628 173:2971 174:987 175:1180 176:3774 177:4514 178:3541 179:2154 180:2449 181:3497 182:3283 183:1999 184:2301 185:20515 186:4731 187:4088 188:4122 189:3725 190:9221 191:1392 192:10907 193:8939 194:7296 195:5164 196:3205 197:2447 198:5918 199:6068 200:7930 201:5981 202:10226 203:9974 204:4531 205:3644 206:4240 207:3373 208:4140 209:4877 210:4195 211:2439 212:4250 213:3574 214:1094 215:60 216:6669 217:2773 218:1267 219:414 220:1798 221:973 222:662 223:2155 End of report