IPv4 R&E Routing Table Report 23:05 GMT Wed 09 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: 920285 Prefixes after maximum aggregation (per Origin AS): 350269 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452424 Number of IPv4 prefixes with a valid ROA: 415495 Number of IPv4 prefixes with an invalid ROA: 1521 Number of IPv4 prefixes with no ROA: 503269 Total ASes present in the Internet Routing Table: 74523 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64023 Origin ASes announcing only one prefix: 26283 Transit ASes present in the Internet Routing Table: 10500 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1076 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 42393 Number of 32-bit ASNs visible in the Routing Table: 34876 Prefixes from 32-bit ASNs in the Routing Table: 173396 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: 586 Number of addresses announced to Internet: 3052765952 Equivalent to 181 /8s, 245 /16s and 131 /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: 307717 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240672 Total APNIC prefixes after maximum aggregation: 69483 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234480 Unique aggregates announced from the APNIC address blocks: 98759 APNIC Region origin ASes present in the Internet Routing Table: 13489 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3983 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: 8866 Number of APNIC addresses announced to Internet: 772875008 Equivalent to 46 /8s, 17 /16s and 35 /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: 270453 Total ARIN prefixes after maximum aggregation: 123284 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272470 Unique aggregates announced from the ARIN address blocks: 130784 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4803 Number of ARIN addresses announced to Internet: 1276968448 Equivalent to 76 /8s, 28 /16s and 254 /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: 259778 Total RIPE prefixes after maximum aggregation: 122442 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256650 Unique aggregates announced from the RIPE address blocks: 159872 RIPE Region origin ASes present in the Internet Routing Table: 28372 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 11281 Number of RIPE addresses announced to Internet: 716685056 Equivalent to 42 /8s, 183 /16s and 191 /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: 118432 Total LACNIC prefixes after maximum aggregation: 28420 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117524 Unique aggregates announced from the LACNIC address blocks: 49811 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2334 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: 8812 Number of LACNIC addresses announced to Internet: 178355200 Equivalent to 10 /8s, 161 /16s and 124 /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: 29874 Total AfriNIC prefixes after maximum aggregation: 5903 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38575 Unique aggregates announced from the AfriNIC address blocks: 12708 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1114 Number of AfriNIC addresses announced to Internet: 107486720 Equivalent to 6 /8s, 104 /16s and 30 /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 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5694 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3348 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3064 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2479 843 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 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 8810 10949 3172 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3547 3053 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3149 54961 2401 DNIC-AS-00749, US 16625 3090 1512 2325 AKAMAI-AS, US 367 2974 3827 1410 DNIC-ASBLK-00306-00371, US 396982 2683 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 407 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 7335 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4079 3398 157 AKAMAI-ASN1, NL 8551 3455 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2293 912 ROSTELECOM-AS, RU 9009 2669 247 1393 M247, RO 34984 2317 362 605 TELLCOM-AS, TR 58224 1817 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1557 103 1214 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 11645 3375 606 UNINET, MX 10620 3533 507 831 Telmex Colombia S.A., CO 13999 2426 361 635 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 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1103 179 435 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 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 535 54 48 WANANCHI-, KE 37342 483 32 1 MOVITEL, MZ 328471 372 42 41 Hero-Telecoms, ZA 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 11645 3375 606 UNINET, MX 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8810 10949 3172 AMAZON-02, US 12479 7335 1713 145 UNI2-AS, ES 7545 5694 784 686 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 4079 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 9519 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7335 7190 UNI2-AS, ES 16509 8810 5638 AMAZON-02, US 7545 5694 5008 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 4079 3922 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3650 3629 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 17054 EXPEDIENT, 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 /12:296 /13:572 /14:1195 /15:2100 /16:13443 /17:8188 /18:13722 /19:24797 /20:43241 /21:50963 /22:109360 /23:98353 /24:553876 /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 6421 7335 UNI2-AS, ES 8151 5640 11645 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2924 3455 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2602 3547 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 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 2:1338 3:229 4:5 5:4528 6:133 7:6 8:1516 9:1 11:172 12:1516 13:381 14:2294 15:302 16:194 17:374 18:594 20:277 21:4 22:188 23:6370 24:2478 25:6 27:2533 29:19 31:2523 32:78 34:26 35:112 36:1982 37:4643 38:5117 39:839 40:147 41:4036 42:2041 43:2309 44:316 45:16505 46:4268 47:384 49:1776 50:1850 51:584 52:1594 54:391 55:951 56:8 57:121 58:1817 59:1121 60:993 61:2503 62:2686 63:1918 64:5560 65:2288 66:4905 67:3009 68:1320 69:4083 70:1203 71:680 72:2974 74:2609 75:1576 76:614 77:2445 78:1835 79:2973 80:2110 81:1795 82:1493 83:1283 84:1527 85:2969 86:765 87:1988 88:1167 89:3842 90:617 91:7820 92:2061 93:2590 94:3531 95:4009 96:1294 97:319 98:1086 99:734 100:90 101:1310 102:2875 103:31912 104:4548 105:565 106:879 107:2550 108:1109 109:4244 110:2109 111:3133 112:2055 113:1742 114:1645 115:1991 116:1893 117:2572 118:2664 119:1966 120:1783 121:1083 122:2573 123:2142 124:1578 125:2473 128:1391 129:1034 130:1016 131:1961 132:845 133:422 134:1786 135:306 136:898 137:968 138:2641 139:1572 140:1243 141:1292 142:1462 143:1488 144:994 145:342 146:1944 147:1604 148:2414 149:2182 150:880 151:1171 152:1960 153:512 154:4683 155:1378 156:1896 157:1319 158:1083 159:2225 160:2605 161:1572 162:3512 163:1567 164:1699 165:1849 166:977 167:1725 168:3841 169:924 170:4592 171:900 172:3632 173:2970 174:992 175:1193 176:3737 177:4511 178:3539 179:2150 180:2447 181:3491 182:3409 183:1994 184:2290 185:20519 186:4748 187:4117 188:4130 189:3779 190:9213 191:1390 192:10924 193:8928 194:7286 195:5162 196:3135 197:2409 198:5913 199:6077 200:7930 201:5972 202:10239 203:10033 204:4532 205:3621 206:4246 207:3374 208:4125 209:4885 210:4196 211:2437 212:4240 213:3563 214:1087 215:60 216:6677 217:2761 218:1267 219:413 220:1799 221:969 222:665 223:2163 End of report