IPv4 R&E Routing Table Report 23:05 GMT Fri 11 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: 919743 Prefixes after maximum aggregation (per Origin AS): 350475 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452363 Number of IPv4 prefixes with a valid ROA: 415329 Number of IPv4 prefixes with an invalid ROA: 1501 Number of IPv4 prefixes with no ROA: 502913 Total ASes present in the Internet Routing Table: 74501 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64087 Origin ASes announcing only one prefix: 26288 Transit ASes present in the Internet Routing Table: 10414 Transit-only ASes present in the Internet Routing Table: 446 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: 134 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1094 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 42407 Number of 32-bit ASNs visible in the Routing Table: 34874 Prefixes from 32-bit ASNs in the Routing Table: 173433 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: 578 Number of addresses announced to Internet: 3051604224 Equivalent to 181 /8s, 227 /16s and 201 /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: 307695 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240201 Total APNIC prefixes after maximum aggregation: 69605 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 233974 Unique aggregates announced from the APNIC address blocks: 98768 APNIC Region origin ASes present in the Internet Routing Table: 13485 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8866 Number of APNIC addresses announced to Internet: 772856064 Equivalent to 46 /8s, 16 /16s and 217 /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: 270343 Total ARIN prefixes after maximum aggregation: 123353 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272350 Unique aggregates announced from the ARIN address blocks: 130723 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4807 Number of ARIN addresses announced to Internet: 1275616512 Equivalent to 76 /8s, 8 /16s and 93 /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: 259791 Total RIPE prefixes after maximum aggregation: 122426 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256720 Unique aggregates announced from the RIPE address blocks: 159911 RIPE Region origin ASes present in the Internet Routing Table: 28371 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3915 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: 11282 Number of RIPE addresses announced to Internet: 716742912 Equivalent to 42 /8s, 184 /16s and 161 /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: 118223 Total LACNIC prefixes after maximum aggregation: 28427 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117306 Unique aggregates announced from the LACNIC address blocks: 49800 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2323 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: 8808 Number of LACNIC addresses announced to Internet: 178479104 Equivalent to 10 /8s, 163 /16s and 96 /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: 30091 Total AfriNIC prefixes after maximum aggregation: 5925 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38815 Unique aggregates announced from the AfriNIC address blocks: 12679 AfriNIC Region origin ASes present in the Internet Routing Table: 1769 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 134 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107497216 Equivalent to 6 /8s, 104 /16s and 71 /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 5698 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3653 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3070 498 247 BBIL-AP BHARTI Airtel Ltd., IN 45899 2948 1838 105 VNPT-AS-VN VNPT Corp, VN 24560 2481 843 405 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 8804 10963 3186 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 6327 3526 1319 66 SHAW, CA 22773 3526 3037 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3149 54961 2401 DNIC-AS-00749, US 16625 3073 1500 2313 AKAMAI-AS, US 367 2975 3825 1409 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2492 357 426 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 7340 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4075 3398 154 AKAMAI-ASN1, NL 8551 3457 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 912 ROSTELECOM-AS, RU 9009 2668 247 1392 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1818 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1567 104 1223 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 11479 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 1996 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 15399 527 54 48 WANANCHI-, KE 37342 479 32 1 MOVITEL, MZ 24757 441 73 5 EthioNet-AS, ET 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 11479 3358 607 UNINET, MX 9808 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8804 10963 3186 AMAZON-02, US 12479 7340 1713 145 UNI2-AS, ES 7545 5698 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4075 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 7340 7195 UNI2-AS, ES 16509 8804 5618 AMAZON-02, US 7545 5698 5010 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4075 3921 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3653 3632 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 /16:13447 /17:8208 /18:13730 /19:24823 /20:42983 /21:50920 /22:109309 /23:98331 /24:553653 /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 6426 7340 UNI2-AS, ES 8151 5509 11479 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 2926 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2576 3526 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2492 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 2:1343 3:229 4:5 5:4531 6:134 7:6 8:1517 9:1 11:172 12:1516 13:372 14:2257 15:302 16:194 17:371 18:594 20:278 21:4 22:188 23:6385 24:2478 25:6 27:2532 29:19 31:2526 32:78 34:26 35:112 36:1983 37:4623 38:5102 39:840 40:147 41:4061 42:2041 43:2310 44:315 45:16521 46:4278 47:384 49:1774 50:1850 51:585 52:1591 54:391 55:961 56:8 57:121 58:1818 59:1121 60:993 61:2506 62:2682 63:1919 64:5564 65:2289 66:4904 67:3006 68:1313 69:4083 70:1193 71:680 72:2970 74:2609 75:1575 76:615 77:2440 78:1835 79:2980 80:2116 81:1790 82:1491 83:1276 84:1525 85:2970 86:766 87:1987 88:1169 89:3844 90:617 91:7806 92:2062 93:2595 94:3528 95:3996 96:1293 97:319 98:1082 99:736 100:90 101:1314 102:2916 103:31906 104:4543 105:566 106:879 107:2550 108:1114 109:4250 110:2110 111:3130 112:2054 113:1705 114:1644 115:1993 116:1894 117:2544 118:2664 119:1970 120:1771 121:1085 122:2572 123:2144 124:1576 125:2479 128:1388 129:1036 130:1014 131:1953 132:845 133:422 134:1785 135:307 136:900 137:970 138:2641 139:1574 140:1242 141:1296 142:1464 143:1484 144:992 145:342 146:1945 147:1605 148:2413 149:2098 150:880 151:1176 152:1956 153:513 154:4678 155:1372 156:1894 157:1320 158:1082 159:2223 160:2607 161:1569 162:3510 163:1573 164:1709 165:1833 166:969 167:1729 168:3838 169:927 170:4578 171:900 172:3632 173:2972 174:987 175:1179 176:3774 177:4502 178:3547 179:2139 180:2449 181:3500 182:3405 183:2000 184:2296 185:20510 186:4728 187:4092 188:4133 189:3714 190:9224 191:1393 192:10914 193:8936 194:7271 195:5158 196:3190 197:2429 198:5917 199:6066 200:7930 201:5979 202:10233 203:9989 204:4522 205:3634 206:4250 207:3375 208:4140 209:4884 210:4197 211:2440 212:4247 213:3569 214:1090 215:60 216:6671 217:2763 218:1268 219:414 220:1799 221:969 222:664 223:2162 End of report