IPv4 R&E Routing Table Report 23:05 GMT Fri 08 Sep, 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: 921184 Prefixes after maximum aggregation (per Origin AS): 351441 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452399 Number of IPv4 prefixes with a valid ROA: 418298 Number of IPv4 prefixes with an invalid ROA: 1684 Number of IPv4 prefixes with no ROA: 501202 Total ASes present in the Internet Routing Table: 74576 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64167 Origin ASes announcing only one prefix: 26307 Transit ASes present in the Internet Routing Table: 10409 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 42575 Number of 32-bit ASNs visible in the Routing Table: 34988 Prefixes from 32-bit ASNs in the Routing Table: 174332 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3054061312 Equivalent to 182 /8s, 9 /16s and 71 /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: 99.5 Total number of prefixes smaller than registry allocations: 307874 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241022 Total APNIC prefixes after maximum aggregation: 69891 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234728 Unique aggregates announced from the APNIC address blocks: 98638 APNIC Region origin ASes present in the Internet Routing Table: 13530 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4023 APNIC Region transit ASes present in the Internet Routing Table: 1798 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8914 Number of APNIC addresses announced to Internet: 772160256 Equivalent to 46 /8s, 6 /16s and 59 /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: 270752 Total ARIN prefixes after maximum aggregation: 123409 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273552 Unique aggregates announced from the ARIN address blocks: 131431 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.37 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1279002880 Equivalent to 76 /8s, 60 /16s and 9 /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: 260084 Total RIPE prefixes after maximum aggregation: 123150 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256133 Unique aggregates announced from the RIPE address blocks: 159807 RIPE Region origin ASes present in the Internet Routing Table: 28371 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11302 Number of RIPE addresses announced to Internet: 716153600 Equivalent to 42 /8s, 175 /16s and 163 /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: 118351 Total LACNIC prefixes after maximum aggregation: 28297 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117369 Unique aggregates announced from the LACNIC address blocks: 49208 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2319 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8828 Number of LACNIC addresses announced to Internet: 178494720 Equivalent to 10 /8s, 163 /16s and 157 /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: 29923 Total AfriNIC prefixes after maximum aggregation: 5971 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38803 Unique aggregates announced from the AfriNIC address blocks: 12813 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128 Number of AfriNIC addresses announced to Internet: 107790336 Equivalent to 6 /8s, 108 /16s and 192 /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 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4354 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3732 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3329 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2498 848 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 200 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 9062 10990 3263 AMAZON-02, US 11492 4512 299 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3550 3040 309 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3152 54959 2404 DNIC-AS-00749, US 16625 2993 1435 2266 AKAMAI-AS, US 367 2946 3794 1384 DNIC-ASBLK-00306-00371, US 396982 2690 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2489 356 397 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 7359 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4064 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2296 912 ROSTELECOM-AS, RU 9009 2726 253 1389 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 13188 1606 100 27 TRIOLAN, UA 61317 1503 101 1171 ASDETUK www.heficed.com, US 8452 1454 1852 16 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 11777 3368 599 UNINET, MX 10620 3538 506 849 Telmex Colombia S.A., CO 13999 2406 343 626 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1324 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1126 183 426 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 2501 49 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 780 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 530 55 50 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 459 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 11777 3368 599 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9062 10990 3263 AMAZON-02, US 12479 7359 1713 145 UNI2-AS, ES 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4512 299 673 CABLEONE, US 18403 4354 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4064 3398 152 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 9484 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7359 7214 UNI2-AS, ES 16509 9062 5799 AMAZON-02, US 7545 5726 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4354 4329 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4064 3912 AKAMAI-ASN1, NL 11492 4512 3839 CABLEONE, US 7552 3732 3712 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 11168 SCC, 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 6461 ZAYO-6461, 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 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, 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 /10:38 /11:102 /12:298 /13:575 /14:1195 /15:2097 /16:13467 /17:8189 /18:13716 /19:24773 /20:43239 /21:50856 /22:109322 /23:98607 /24:554671 /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 6445 7359 UNI2-AS, ES 8151 5802 11777 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3424 4512 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2598 3550 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2101 3538 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) ---------------------------------------------- 1:2226 2:1388 3:258 4:5 5:4557 6:135 7:6 8:1505 9:1 11:172 12:1513 13:376 14:2307 15:304 16:192 17:369 18:637 20:282 21:4 22:188 23:6357 24:2486 25:6 27:2560 29:19 31:2521 32:77 34:26 35:114 36:1995 37:4527 38:5189 39:870 40:146 41:4034 42:2098 43:2260 44:319 45:16448 46:4277 47:378 49:1804 50:1879 51:596 52:1598 54:394 55:958 56:8 57:123 58:1795 59:1119 60:1001 61:2537 62:2674 63:1910 64:5626 65:2338 66:4866 67:3026 68:1339 69:4136 70:1191 71:658 72:2956 74:2591 75:1565 76:616 77:2327 78:1832 79:2992 80:2116 81:1833 82:1457 83:1285 84:1533 85:2997 86:766 87:1994 88:1170 89:3844 90:618 91:7818 92:2064 93:2617 94:3515 95:4010 96:1297 97:321 98:1081 99:735 100:90 101:1315 102:2909 103:31969 104:4594 105:557 106:886 107:2679 108:1124 109:4210 110:2127 111:3131 112:2060 113:1748 114:1658 115:1994 116:1904 117:2510 118:2700 119:1977 120:1775 121:1097 122:2583 123:2143 124:1580 125:2517 128:1420 129:914 130:1028 131:1952 132:847 133:408 134:1791 135:306 136:910 137:969 138:2628 139:1553 140:1160 141:1297 142:1501 143:1490 144:986 145:346 146:1930 147:1601 148:2422 149:2256 150:868 151:1224 152:1982 153:522 154:4900 155:1380 156:1925 157:1320 158:1081 159:2241 160:2598 161:1582 162:3528 163:1581 164:1693 165:1853 166:1058 167:1725 168:3703 169:901 170:4636 171:871 172:3698 173:2950 174:978 175:1180 176:3760 177:4436 178:3536 179:2122 180:2463 181:3550 182:3318 183:2005 184:2276 185:20504 186:4714 187:4159 188:4137 189:3797 190:9209 191:1443 192:10930 193:8934 194:7253 195:5196 196:3168 197:2461 198:5910 199:6094 200:7869 201:6031 202:10201 203:9970 204:4538 205:3678 206:4293 207:3390 208:4128 209:4888 210:4196 211:2438 212:4234 213:3401 214:1094 215:58 216:6661 217:2779 218:1265 219:404 220:1801 221:977 222:671 223:2143 End of report