IPv4 R&E Routing Table Report 23:05 GMT Fri 26 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: 931021 Prefixes after maximum aggregation (per Origin AS): 356096 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456021 Number of IPv4 prefixes with a valid ROA: 438414 Number of IPv4 prefixes with an invalid ROA: 1022 Number of IPv4 prefixes with no ROA: 491585 Total ASes present in the Internet Routing Table: 75124 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64655 Origin ASes announcing only one prefix: 26540 Transit ASes present in the Internet Routing Table: 10469 Transit-only ASes present in the Internet Routing Table: 463 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: 1084 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 43481 Number of 32-bit ASNs visible in the Routing Table: 35713 Prefixes from 32-bit ASNs in the Routing Table: 179549 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: 492 Number of addresses announced to Internet: 3046136576 Equivalent to 181 /8s, 144 /16s and 91 /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: 309048 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245042 Total APNIC prefixes after maximum aggregation: 71952 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238042 Unique aggregates announced from the APNIC address blocks: 99713 APNIC Region origin ASes present in the Internet Routing Table: 13840 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4171 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9265 Number of APNIC addresses announced to Internet: 774273024 Equivalent to 46 /8s, 38 /16s and 120 /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: 272606 Total ARIN prefixes after maximum aggregation: 123484 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277346 Unique aggregates announced from the ARIN address blocks: 132062 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1853 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: 4831 Number of ARIN addresses announced to Internet: 1271463680 Equivalent to 75 /8s, 200 /16s and 255 /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: 261787 Total RIPE prefixes after maximum aggregation: 125249 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256405 Unique aggregates announced from the RIPE address blocks: 161189 RIPE Region origin ASes present in the Internet Routing Table: 28520 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11548 Number of RIPE addresses announced to Internet: 714331648 Equivalent to 42 /8s, 147 /16s and 214 /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: 120013 Total LACNIC prefixes after maximum aggregation: 28645 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118670 Unique aggregates announced from the LACNIC address blocks: 49579 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2365 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: 8903 Number of LACNIC addresses announced to Internet: 177979392 Equivalent to 10 /8s, 155 /16s and 192 /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: 30489 Total AfriNIC prefixes after maximum aggregation: 6047 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40066 Unique aggregates announced from the AfriNIC address blocks: 13073 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 650 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: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166 Number of AfriNIC addresses announced to Internet: 107803136 Equivalent to 6 /8s, 108 /16s and 242 /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 9798 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3871 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3451 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2676 854 396 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2182 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 9492 11231 3389 AMAZON-02, US 11492 4576 303 661 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3611 3041 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3566 1319 68 SHAW, CA 16625 3218 1411 2301 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2900 3728 1406 DNIC-ASBLK-00306-00371, US 396982 2749 3639 391 GOOGLE-CLOUD-PLATFORM, US 7018 2524 23622 1590 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 7546 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3991 3396 132 AKAMAI-ASN1, NL 9009 3281 285 1590 M247, RO 12389 2891 2301 913 ROSTELECOM-AS, RU 8551 2808 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 867 579 TCI, IR 8452 1469 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 12355 3370 627 UNINET, MX 10620 3528 497 885 Telmex Colombia S.A., CO 13999 2499 337 640 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1341 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1119 177 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 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 24863 1565 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1365 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1099 71 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 531 82 3 KENET-AS, KE 24757 487 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 12355 3370 627 UNINET, MX 9808 9798 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9492 11231 3389 AMAZON-02, US 12479 7546 1698 148 UNI2-AS, ES 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4576 303 661 CABLEONE, US 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3991 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 9798 9747 CHINAMOBILE-CN China Mobile Communications Grou 12479 7546 7398 UNI2-AS, ES 16509 9492 6103 AMAZON-02, US 7545 5678 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4557 4532 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4576 3915 CABLEONE, US 20940 3991 3859 AKAMAI-ASN1, NL 7552 3871 3851 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 23.176.160.0/24 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /16:13399 /17:8137 /18:13657 /19:24699 /20:43134 /21:51213 /22:109911 /23:98515 /24:564052 /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 6638 7546 UNI2-AS, ES 8151 6331 12355 UNINET, MX 11492 3490 4576 CABLEONE, US 6327 3372 3566 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2657 3611 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2284 2808 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2131 3528 Telmex Colombia S.A., CO 30036 2131 2474 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1540 3:287 4:5 5:4442 6:163 7:6 8:1494 9:1 11:172 12:1481 13:377 14:2333 15:310 16:203 17:360 18:716 20:350 21:4 22:188 23:6598 24:2695 25:2 27:2554 29:19 31:2551 32:53 34:36 35:120 36:2165 37:4480 38:6022 39:891 40:151 41:4075 42:2204 43:2295 44:325 45:16742 46:4285 47:284 49:1899 50:1890 51:572 52:1593 54:361 55:886 56:5 57:135 58:1926 59:1146 60:1016 61:2599 62:2755 63:1906 64:5524 65:2338 66:4876 67:3050 68:1337 69:4077 70:1195 71:579 72:2928 74:2632 75:1553 76:621 77:2341 78:1835 79:2604 80:2128 81:1891 82:1524 83:1248 84:1630 85:3078 86:769 87:1959 88:1216 89:3958 90:659 91:7925 92:2183 93:2640 94:3595 95:4031 96:1284 97:318 98:1034 99:744 100:96 101:1158 102:3047 103:32431 104:4771 105:599 106:910 107:2746 108:1118 109:4025 110:2139 111:3154 112:2061 113:1719 114:1742 115:1978 116:1953 117:2642 118:2768 119:1946 120:1769 121:1260 122:2630 123:2172 124:1557 125:2799 126:28 128:1464 129:892 130:1073 131:1803 132:822 133:409 134:1705 135:307 136:918 137:1001 138:2765 139:1563 140:1302 141:1346 142:1544 143:1515 144:1007 145:341 146:1997 147:1666 148:2510 149:2463 150:1017 151:1316 152:1966 153:528 154:5604 155:1365 156:2095 157:1430 158:1086 159:2198 160:2595 161:1623 162:3605 163:1669 164:1607 165:2094 166:1064 167:1689 168:3763 169:782 170:4668 171:988 172:3799 173:3002 174:900 175:1214 176:3619 177:4543 178:3519 179:2224 180:2366 181:3661 182:3412 183:2015 184:2290 185:20523 186:4740 187:4341 188:3997 189:4000 190:9331 191:1458 192:10950 193:8979 194:7351 195:5208 196:3145 197:2650 198:5889 199:7068 200:8037 201:6326 202:10142 203:10073 204:4558 205:3686 206:4378 207:3400 208:4095 209:4889 210:4347 211:2507 212:4224 213:3403 214:1108 215:44 216:6798 217:2765 218:1287 219:414 220:1819 221:1021 222:686 223:2202 End of report