IPv4 R&E Routing Table Report 23:05 GMT Mon 26 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: 932014 Prefixes after maximum aggregation (per Origin AS): 356612 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457288 Number of IPv4 prefixes with a valid ROA: 447619 Number of IPv4 prefixes with an invalid ROA: 1072 Number of IPv4 prefixes with no ROA: 483323 Total ASes present in the Internet Routing Table: 75265 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64742 Origin ASes announcing only one prefix: 26572 Transit ASes present in the Internet Routing Table: 10523 Transit-only ASes present in the Internet Routing Table: 479 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43713 Number of 32-bit ASNs visible in the Routing Table: 35889 Prefixes from 32-bit ASNs in the Routing Table: 181012 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3040784384 Equivalent to 181 /8s, 62 /16s and 176 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 307772 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245578 Total APNIC prefixes after maximum aggregation: 72203 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238389 Unique aggregates announced from the APNIC address blocks: 100043 APNIC Region origin ASes present in the Internet Routing Table: 13898 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4186 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9336 Number of APNIC addresses announced to Internet: 774041600 Equivalent to 46 /8s, 34 /16s and 240 /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: 272222 Total ARIN prefixes after maximum aggregation: 123174 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276909 Unique aggregates announced from the ARIN address blocks: 132255 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4843 Number of ARIN addresses announced to Internet: 1270054656 Equivalent to 75 /8s, 179 /16s and 127 /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: 262049 Total RIPE prefixes after maximum aggregation: 125696 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256966 Unique aggregates announced from the RIPE address blocks: 161837 RIPE Region origin ASes present in the Internet Routing Table: 28558 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12138 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11621 Number of RIPE addresses announced to Internet: 712457728 Equivalent to 42 /8s, 119 /16s and 62 /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: 120935 Total LACNIC prefixes after maximum aggregation: 28771 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119476 Unique aggregates announced from the LACNIC address blocks: 49489 LACNIC Region origin ASes present in the Internet Routing Table: 11061 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2630 LACNIC Region transit ASes present in the Internet Routing Table: 2380 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8917 Number of LACNIC addresses announced to Internet: 177694720 Equivalent to 10 /8s, 151 /16s and 104 /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: 30172 Total AfriNIC prefixes after maximum aggregation: 6062 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39755 Unique aggregates announced from the AfriNIC address blocks: 13233 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1172 Number of AfriNIC addresses announced to Internet: 106233856 Equivalent to 6 /8s, 85 /16s and 0 /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 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9659 11247 3316 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3608 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3210 1399 2286 AKAMAI-AS, US 174 3196 6642 664 COGENT-174, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2887 3630 1402 DNIC-ASBLK-00306-00371, US 396982 2758 3639 397 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 7609 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3875 3395 126 AKAMAI-ASN1, NL 9009 3262 283 1583 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1488 97 709 STARK-INDUSTRIES, GB 8452 1484 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 12506 3373 609 UNINET, MX 10620 3523 496 891 Telmex Colombia S.A., CO 13999 2515 338 644 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1310 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 419 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 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 1550 545 28 RAYA-AS, EG 24863 1420 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1152 74 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 24757 467 73 5 EthioNet-AS, ET 36914 439 82 3 KENET-AS, KE 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 12506 3373 609 UNINET, MX 9808 9819 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9659 11247 3316 AMAZON-02, US 12479 7609 1714 147 UNI2-AS, ES 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3881 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9767 CHINAMOBILE-CN China Mobile Communications Grou 12479 7609 7462 UNI2-AS, ES 16509 9659 6343 AMAZON-02, US 7545 5656 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3881 3860 VIETEL-AS-AP Viettel Group, VN 20940 3875 3749 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 23.176.160.0/24 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 /12:299 /13:573 /14:1190 /15:2057 /16:13330 /17:8109 /18:13560 /19:24593 /20:43079 /21:50838 /22:109611 /23:98042 /24:566561 /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 6724 7609 UNI2-AS, ES 8151 6455 12506 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2654 3608 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3523 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2284 2:1468 3:300 4:6 5:4471 6:161 7:6 8:1494 9:1 11:172 12:1468 13:390 14:2349 15:313 16:208 17:366 18:736 20:356 21:4 22:188 23:6595 24:2696 25:2 27:2565 29:19 31:2558 32:45 34:40 35:121 36:2194 37:4502 38:6990 39:892 40:140 41:4047 42:2177 43:2290 44:327 45:16803 46:4344 47:287 49:1895 50:1898 51:577 52:1584 54:312 55:870 56:5 57:148 58:1967 59:1120 60:1019 61:2608 62:2667 63:1902 64:5511 65:2327 66:4653 67:3045 68:1352 69:4043 70:1197 71:574 72:2893 74:2582 75:1554 76:630 77:2402 78:1838 79:2474 80:2136 81:1916 82:1505 83:1242 84:1640 85:3083 86:836 87:1966 88:1223 89:3993 90:678 91:7916 92:2192 93:2633 94:3642 95:4078 96:1285 97:312 98:1029 99:745 100:92 101:1159 102:3090 103:32466 104:4753 105:599 106:927 107:2761 108:1118 109:4010 110:2137 111:3159 112:2057 113:1753 114:1764 115:1982 116:1948 117:2650 118:2763 119:1948 120:1785 121:1269 122:2673 123:2192 124:1563 125:2838 126:28 128:1486 129:913 130:1084 131:1804 132:813 133:412 134:1708 135:312 136:924 137:1022 138:2781 139:1540 140:1361 141:1346 142:1558 143:1476 144:1007 145:343 146:2014 147:1692 148:2510 149:2521 150:1022 151:1320 152:1982 153:525 154:5699 155:1374 156:2092 157:1552 158:1097 159:2222 160:2604 161:1628 162:3593 163:1698 164:1627 165:2109 166:1062 167:1701 168:3931 169:788 170:4699 171:1003 172:3832 173:3019 174:891 175:1217 176:3636 177:4462 178:3550 179:2201 180:2375 181:3640 182:3399 183:2022 184:2264 185:20594 186:4855 187:4383 188:4011 189:4098 190:9304 191:1417 192:10959 193:9000 194:7408 195:5250 196:3125 197:2493 198:5902 199:7234 200:8059 201:6325 202:10150 203:10125 204:4537 205:3709 206:4440 207:3417 208:4141 209:4954 210:4365 211:2479 212:4274 213:3398 214:1115 215:44 216:6702 217:2811 218:1314 219:406 220:1822 221:1021 222:695 223:2206 End of report