IPv4 R&E Routing Table Report 23:05 GMT Sat 13 Jan, 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: 929988 Prefixes after maximum aggregation (per Origin AS): 355450 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455375 Number of IPv4 prefixes with a valid ROA: 436050 Number of IPv4 prefixes with an invalid ROA: 1155 Number of IPv4 prefixes with no ROA: 492783 Total ASes present in the Internet Routing Table: 75048 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64615 Origin ASes announcing only one prefix: 26550 Transit ASes present in the Internet Routing Table: 10433 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 46 Max AS path prepend of ASN ( 30987) 41 Prefixes from unregistered ASNs in the Routing Table: 1074 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 43384 Number of 32-bit ASNs visible in the Routing Table: 35622 Prefixes from 32-bit ASNs in the Routing Table: 178940 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: 481 Number of addresses announced to Internet: 3045477376 Equivalent to 181 /8s, 134 /16s and 76 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308797 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244631 Total APNIC prefixes after maximum aggregation: 71700 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237672 Unique aggregates announced from the APNIC address blocks: 99655 APNIC Region origin ASes present in the Internet Routing Table: 13809 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4165 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9222 Number of APNIC addresses announced to Internet: 774180864 Equivalent to 46 /8s, 37 /16s and 16 /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: 272124 Total ARIN prefixes after maximum aggregation: 123355 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276860 Unique aggregates announced from the ARIN address blocks: 131992 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1844 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: 4826 Number of ARIN addresses announced to Internet: 1271511296 Equivalent to 75 /8s, 201 /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: 261681 Total RIPE prefixes after maximum aggregation: 125011 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256300 Unique aggregates announced from the RIPE address blocks: 161014 RIPE Region origin ASes present in the Internet Routing Table: 28490 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3891 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11510 Number of RIPE addresses announced to Internet: 714234880 Equivalent to 42 /8s, 146 /16s and 92 /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: 119933 Total LACNIC prefixes after maximum aggregation: 28637 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118606 Unique aggregates announced from the LACNIC address blocks: 49448 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2344 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of LACNIC addresses announced to Internet: 177464320 Equivalent to 10 /8s, 147 /16s and 228 /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: 30545 Total AfriNIC prefixes after maximum aggregation: 6028 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 40069 Unique aggregates announced from the AfriNIC address blocks: 12865 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.11 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 46 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107801856 Equivalent to 6 /8s, 108 /16s and 237 /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 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3429 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3275 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2671 858 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 442 200 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 9489 11206 3361 AMAZON-02, US 11492 4569 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3502 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3251 1419 2327 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3825 1420 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23622 1575 ATT-INTERNET4, 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 7547 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3994 3397 140 AKAMAI-ASN1, NL 9009 3474 299 1632 M247, RO 8551 2969 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2301 912 ROSTELECOM-AS, RU 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1515 873 581 TCI, IR 8452 1475 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 12239 3380 614 UNINET, MX 10620 3524 497 889 Telmex Colombia S.A., CO 13999 2498 340 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1117 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1050 117 379 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 1536 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1081 69 55 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 532 56 50 WANANCHI-, KE 36914 525 82 3 KENET-AS, KE 24757 481 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 12239 3380 614 UNINET, MX 9808 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9489 11206 3361 AMAZON-02, US 12479 7547 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4569 303 660 CABLEONE, US 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3994 3397 140 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 9772 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7547 7401 UNI2-AS, ES 16509 9489 6128 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4545 4520 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4569 3909 CABLEONE, US 20940 3994 3854 AKAMAI-ASN1, NL 7552 3854 3834 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 8.10.69.0/24 174 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:36 /11:99 /12:300 /13:575 /14:1193 /15:2063 /16:13385 /17:8129 /18:13622 /19:24670 /20:43126 /21:51190 /22:109932 /23:98341 /24:563289 /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 6632 7547 UNI2-AS, ES 8151 6232 12239 UNINET, MX 11492 3482 4569 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2446 2969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2128 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2127 3524 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) ---------------------------------------------- 1:2274 2:1466 3:282 4:5 5:4415 6:163 7:6 8:1495 9:1 11:172 12:1486 13:375 14:2331 15:310 16:204 17:361 18:717 20:346 21:4 22:188 23:6584 24:2674 25:2 27:2506 29:19 31:2543 32:53 34:36 35:119 36:2149 37:4484 38:5904 39:887 40:147 41:4147 42:2204 43:2295 44:326 45:16674 46:4312 47:285 49:1896 50:1873 51:574 52:1591 54:366 55:856 56:5 57:128 58:1871 59:1108 60:1012 61:2598 62:2731 63:1903 64:5507 65:2340 66:4931 67:3042 68:1335 69:4077 70:1177 71:579 72:2916 74:2642 75:1555 76:621 77:2339 78:1823 79:2732 80:2130 81:1879 82:1532 83:1312 84:1621 85:3051 86:776 87:1951 88:1225 89:3941 90:661 91:7893 92:2187 93:2631 94:3582 95:4015 96:1288 97:315 98:1013 99:746 100:95 101:1155 102:3043 103:32433 104:4773 105:600 106:909 107:2741 108:1118 109:4057 110:2135 111:3156 112:2071 113:1715 114:1746 115:1999 116:1947 117:2634 118:2777 119:1946 120:1765 121:1259 122:2630 123:2172 124:1594 125:2779 126:28 128:1404 129:893 130:1064 131:1920 132:822 133:410 134:1706 135:305 136:915 137:993 138:2757 139:1563 140:1353 141:1346 142:1539 143:1518 144:1002 145:340 146:1988 147:1650 148:2487 149:2422 150:1017 151:1306 152:1960 153:529 154:5549 155:1371 156:2089 157:1387 158:1085 159:2208 160:2612 161:1620 162:3608 163:1663 164:1613 165:2093 166:1064 167:1699 168:3824 169:793 170:4682 171:984 172:3780 173:2990 174:892 175:1216 176:3599 177:4590 178:3523 179:2220 180:2357 181:3653 182:3409 183:2014 184:2264 185:20475 186:4790 187:4356 188:3987 189:3969 190:9325 191:1471 192:10986 193:8951 194:7360 195:5219 196:3163 197:2604 198:5888 199:6969 200:8023 201:6251 202:10176 203:10043 204:4567 205:3673 206:4365 207:3376 208:4075 209:4906 210:4335 211:2501 212:4217 213:3394 214:1109 215:44 216:6772 217:2769 218:1292 219:414 220:1814 221:1019 222:686 223:2190 End of report