IPv4 R&E Routing Table Report 23:05 GMT Wed 13 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: 922649 Prefixes after maximum aggregation (per Origin AS): 351653 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453109 Number of IPv4 prefixes with a valid ROA: 419520 Number of IPv4 prefixes with an invalid ROA: 1611 Number of IPv4 prefixes with no ROA: 501518 Total ASes present in the Internet Routing Table: 74598 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64170 Origin ASes announcing only one prefix: 26331 Transit ASes present in the Internet Routing Table: 10428 Transit-only ASes present in the Internet Routing Table: 443 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: 1053 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 42599 Number of 32-bit ASNs visible in the Routing Table: 34999 Prefixes from 32-bit ASNs in the Routing Table: 174606 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: 581 Number of addresses announced to Internet: 3054705920 Equivalent to 182 /8s, 19 /16s and 29 /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: 308233 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241181 Total APNIC prefixes after maximum aggregation: 70048 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234850 Unique aggregates announced from the APNIC address blocks: 98590 APNIC Region origin ASes present in the Internet Routing Table: 13527 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4023 APNIC Region transit ASes present in the Internet Routing Table: 1803 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8914 Number of APNIC addresses announced to Internet: 772261120 Equivalent to 46 /8s, 7 /16s and 197 /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: 270882 Total ARIN prefixes after maximum aggregation: 123376 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273889 Unique aggregates announced from the ARIN address blocks: 131585 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.38 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1278969344 Equivalent to 76 /8s, 59 /16s and 134 /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: 260938 Total RIPE prefixes after maximum aggregation: 123224 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256630 Unique aggregates announced from the RIPE address blocks: 160302 RIPE Region origin ASes present in the Internet Routing Table: 28385 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11312 Number of RIPE addresses announced to Internet: 716767232 Equivalent to 42 /8s, 185 /16s and 0 /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: 118382 Total LACNIC prefixes after maximum aggregation: 28327 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117348 Unique aggregates announced from the LACNIC address blocks: 49278 LACNIC Region origin ASes present in the Internet Routing Table: 11021 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8836 Number of LACNIC addresses announced to Internet: 178467072 Equivalent to 10 /8s, 163 /16s and 49 /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: 30213 Total AfriNIC prefixes after maximum aggregation: 5965 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39351 Unique aggregates announced from the AfriNIC address blocks: 12870 AfriNIC Region origin ASes present in the Internet Routing Table: 1783 AfriNIC Prefixes per ASN: 22.07 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 1126 Number of AfriNIC addresses announced to Internet: 107789312 Equivalent to 6 /8s, 108 /16s and 188 /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 9480 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3149 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2508 848 388 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 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 9058 10990 3253 AMAZON-02, US 11492 4519 300 676 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3544 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 2990 1436 2267 AKAMAI-AS, US 367 2961 3796 1385 DNIC-ASBLK-00306-00371, US 396982 2696 3596 390 GOOGLE-CLOUD-PLATFORM, US 30036 2499 357 359 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 7362 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 152 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 912 ROSTELECOM-AS, RU 9009 2720 253 1388 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1494 100 1163 ASDETUK www.heficed.com, US 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 11815 3368 602 UNINET, MX 10620 3541 506 854 Telmex Colombia S.A., CO 13999 2407 343 625 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1123 182 425 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1029 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 1612 393 19 LINKdotNET-AS, EG 24835 1534 533 27 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 914 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 525 55 49 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 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 11815 3368 602 UNINET, MX 9808 9480 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9058 10990 3253 AMAZON-02, US 12479 7362 1713 145 UNI2-AS, ES 7545 5724 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 676 CABLEONE, US 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4065 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 9480 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7362 7217 UNI2-AS, ES 16509 9058 5805 AMAZON-02, US 7545 5724 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4353 4328 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4065 3913 AKAMAI-ASN1, NL 11492 4519 3843 CABLEONE, US 7552 3730 3710 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 /12:297 /13:575 /14:1195 /15:2098 /16:13471 /17:8193 /18:13726 /19:24806 /20:43238 /21:50924 /22:109541 /23:98688 /24:555718 /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 6450 7362 UNI2-AS, ES 8151 5835 11815 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4519 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2924 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2592 3544 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2104 3541 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) ---------------------------------------------- 1:2224 2:1419 3:259 4:5 5:4533 6:135 7:6 8:1495 9:1 11:172 12:1518 13:370 14:2310 15:304 16:193 17:369 18:644 20:283 21:4 22:188 23:6376 24:2492 25:6 27:2566 29:19 31:2525 32:77 34:27 35:114 36:1997 37:4532 38:5237 39:870 40:146 41:4037 42:2101 43:2267 44:319 45:16536 46:4259 47:374 49:1823 50:1882 51:597 52:1596 54:396 55:937 56:8 57:123 58:1801 59:1122 60:1001 61:2536 62:2675 63:1914 64:5634 65:2349 66:4881 67:3028 68:1340 69:4141 70:1191 71:662 72:2950 74:2594 75:1562 76:617 77:2297 78:1831 79:2987 80:2114 81:1835 82:1463 83:1287 84:1521 85:3045 86:766 87:2000 88:1168 89:3856 90:621 91:7817 92:2065 93:2614 94:3511 95:4000 96:1297 97:321 98:1081 99:735 100:90 101:1316 102:2907 103:31957 104:4603 105:561 106:891 107:2680 108:1127 109:4208 110:2126 111:3133 112:2064 113:1746 114:1665 115:1994 116:1888 117:2533 118:2704 119:1975 120:1774 121:1117 122:2586 123:2145 124:1581 125:2514 128:1413 129:915 130:1032 131:1958 132:852 133:408 134:1789 135:305 136:908 137:970 138:2638 139:1556 140:1174 141:1290 142:1504 143:1509 144:1003 145:346 146:1943 147:1589 148:2424 149:2255 150:874 151:1229 152:1978 153:522 154:5144 155:1379 156:1931 157:1324 158:1083 159:2241 160:2589 161:1581 162:3530 163:1588 164:1695 165:1855 166:1060 167:1730 168:3707 169:898 170:4641 171:910 172:3702 173:2954 174:978 175:1185 176:3761 177:4469 178:3517 179:2164 180:2488 181:3522 182:3319 183:1999 184:2281 185:20551 186:4666 187:4210 188:4159 189:3857 190:9199 191:1374 192:10943 193:8953 194:7303 195:5201 196:3197 197:2535 198:5912 199:6105 200:7857 201:6034 202:10186 203:9978 204:4544 205:3676 206:4300 207:3389 208:4148 209:4890 210:4198 211:2439 212:4249 213:3403 214:1092 215:58 216:6676 217:2781 218:1264 219:404 220:1802 221:981 222:666 223:2143 End of report