IPv4 R&E Routing Table Report 23:05 GMT Sun 04 Feb, 2024 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: 932384 Prefixes after maximum aggregation (per Origin AS): 356153 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456275 Number of IPv4 prefixes with a valid ROA: 440477 Number of IPv4 prefixes with an invalid ROA: 1076 Number of IPv4 prefixes with no ROA: 490831 Total ASes present in the Internet Routing Table: 75147 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64688 Origin ASes announcing only one prefix: 26561 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 43574 Number of 32-bit ASNs visible in the Routing Table: 35744 Prefixes from 32-bit ASNs in the Routing Table: 180146 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3042976256 Equivalent to 181 /8s, 96 /16s and 34 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309298 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245322 Total APNIC prefixes after maximum aggregation: 71994 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238192 Unique aggregates announced from the APNIC address blocks: 99897 APNIC Region origin ASes present in the Internet Routing Table: 13860 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4179 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9282 Number of APNIC addresses announced to Internet: 774031872 Equivalent to 46 /8s, 34 /16s and 202 /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: 273368 Total ARIN prefixes after maximum aggregation: 123407 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278148 Unique aggregates announced from the ARIN address blocks: 132028 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4834 Number of ARIN addresses announced to Internet: 1269501440 Equivalent to 75 /8s, 171 /16s and 14 /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: 261615 Total RIPE prefixes after maximum aggregation: 125307 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256323 Unique aggregates announced from the RIPE address blocks: 161176 RIPE Region origin ASes present in the Internet Routing Table: 28513 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12101 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11552 Number of RIPE addresses announced to Internet: 714214656 Equivalent to 42 /8s, 146 /16s and 13 /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: 120621 Total LACNIC prefixes after maximum aggregation: 28621 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119214 Unique aggregates announced from the LACNIC address blocks: 49594 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of LACNIC addresses announced to Internet: 177913088 Equivalent to 10 /8s, 154 /16s and 189 /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: 30379 Total AfriNIC prefixes after maximum aggregation: 6108 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 40011 Unique aggregates announced from the AfriNIC address blocks: 13170 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1169 Number of AfriNIC addresses announced to Internet: 107025920 Equivalent to 6 /8s, 97 /16s and 22 /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 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4567 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3479 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3283 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2688 858 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9592 11231 3375 AMAZON-02, US 11492 4579 304 657 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3613 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1416 2304 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 174 3020 6636 662 COGENT-174, US 367 2906 3720 1402 DNIC-ASBLK-00306-00371, US 396982 2752 3639 392 GOOGLE-CLOUD-PLATFORM, 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 7571 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3894 3396 132 AKAMAI-ASN1, NL 9009 3277 285 1587 M247, RO 12389 2887 2301 908 ROSTELECOM-AS, RU 8551 2701 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2342 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1498 853 587 TCI, IR 8452 1497 1852 14 TE-AS TE-AS, EG 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 12400 3386 621 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2500 337 644 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1207 340 496 Axtel, S.A.B. de C.V., MX 11664 1127 178 425 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1548 545 28 RAYA-AS, EG 24863 1528 389 16 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1111 71 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 529 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 489 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 12400 3386 621 UNINET, MX 9808 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9592 11231 3375 AMAZON-02, US 12479 7571 1698 148 UNI2-AS, ES 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4579 304 657 CABLEONE, US 18403 4567 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3894 3396 132 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 9819 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7571 7423 UNI2-AS, ES 16509 9592 6217 AMAZON-02, US 7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4567 4542 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4579 3922 CABLEONE, US 7552 3877 3857 VIETEL-AS-AP Viettel Group, VN 20940 3894 3762 AKAMAI-ASN1, NL 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 8.10.69.0/24 174 COGENT-174, 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 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 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 /10:36 /11:98 /12:300 /13:574 /14:1193 /15:2066 /16:13347 /17:8104 /18:13552 /19:24646 /20:43151 /21:51222 /22:109933 /23:98750 /24:565374 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6681 7571 UNI2-AS, ES 8151 6365 12400 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2659 3613 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2177 2701 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2298 2:1537 3:293 4:5 5:4454 6:163 7:6 8:1493 9:1 11:172 12:1480 13:376 14:2333 15:311 16:203 17:360 18:724 20:352 21:4 22:188 23:6577 24:2705 25:2 27:2551 29:19 31:2560 32:53 34:36 35:121 36:2164 37:4480 38:6714 39:899 40:151 41:4062 42:2206 43:2300 44:325 45:16774 46:4290 47:286 49:1898 50:1890 51:572 52:1592 54:359 55:885 56:5 57:138 58:1958 59:1146 60:1018 61:2624 62:2711 63:1919 64:5512 65:2338 66:4879 67:3045 68:1334 69:4091 70:1193 71:577 72:2921 74:2648 75:1556 76:628 77:2353 78:1840 79:2512 80:2133 81:1884 82:1516 83:1246 84:1625 85:3087 86:774 87:1961 88:1218 89:3936 90:668 91:7930 92:2187 93:2619 94:3603 95:4041 96:1288 97:318 98:1030 99:744 100:95 101:1158 102:3051 103:32441 104:4772 105:592 106:914 107:2756 108:1129 109:4012 110:2146 111:3156 112:2061 113:1728 114:1745 115:1979 116:1944 117:2642 118:2756 119:1943 120:1783 121:1261 122:2632 123:2193 124:1559 125:2807 126:28 128:1455 129:914 130:1074 131:1802 132:820 133:410 134:1705 135:309 136:919 137:1012 138:2769 139:1545 140:1311 141:1333 142:1552 143:1512 144:1012 145:342 146:1998 147:1681 148:2496 149:2505 150:1021 151:1318 152:1970 153:528 154:5629 155:1364 156:2096 157:1476 158:1088 159:2196 160:2607 161:1618 162:3598 163:1681 164:1612 165:2104 166:1060 167:1704 168:3808 169:793 170:4706 171:992 172:3810 173:3000 174:897 175:1216 176:3619 177:4647 178:3513 179:2195 180:2365 181:3673 182:3420 183:2013 184:2278 185:20506 186:4811 187:4359 188:3996 189:4007 190:9342 191:1443 192:10962 193:8969 194:7319 195:5214 196:3144 197:2628 198:5895 199:7097 200:8036 201:6348 202:10143 203:10113 204:4544 205:3691 206:4388 207:3404 208:4096 209:4879 210:4357 211:2502 212:4237 213:3404 214:1109 215:44 216:6797 217:2775 218:1310 219:422 220:1823 221:1019 222:691 223:2198 End of report