IPv4 R&E Routing Table Report 23:05 GMT Tue 05 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: 920260 Prefixes after maximum aggregation (per Origin AS): 350948 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452270 Number of IPv4 prefixes with a valid ROA: 417497 Number of IPv4 prefixes with an invalid ROA: 1648 Number of IPv4 prefixes with no ROA: 501115 Total ASes present in the Internet Routing Table: 74570 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64163 Origin ASes announcing only one prefix: 26345 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 1005 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 42574 Number of 32-bit ASNs visible in the Routing Table: 34968 Prefixes from 32-bit ASNs in the Routing Table: 174022 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 557 Number of addresses announced to Internet: 3054853888 Equivalent to 182 /8s, 21 /16s and 95 /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: 307205 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241060 Total APNIC prefixes after maximum aggregation: 69816 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234789 Unique aggregates announced from the APNIC address blocks: 98655 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: 4021 APNIC Region transit ASes present in the Internet Routing Table: 1796 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: 8908 Number of APNIC addresses announced to Internet: 772384000 Equivalent to 46 /8s, 9 /16s and 165 /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: 270386 Total ARIN prefixes after maximum aggregation: 123323 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273146 Unique aggregates announced from the ARIN address blocks: 131436 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.34 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4812 Number of ARIN addresses announced to Internet: 1279193856 Equivalent to 76 /8s, 62 /16s and 243 /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: 260077 Total RIPE prefixes after maximum aggregation: 122852 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256136 Unique aggregates announced from the RIPE address blocks: 159833 RIPE Region origin ASes present in the Internet Routing Table: 28385 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3899 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: 11305 Number of RIPE addresses announced to Internet: 716581120 Equivalent to 42 /8s, 182 /16s and 41 /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: 117973 Total LACNIC prefixes after maximum aggregation: 28334 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117003 Unique aggregates announced from the LACNIC address blocks: 49180 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2320 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: 8818 Number of LACNIC addresses announced to Internet: 178480384 Equivalent to 10 /8s, 163 /16s and 101 /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: 29759 Total AfriNIC prefixes after maximum aggregation: 5924 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38629 Unique aggregates announced from the AfriNIC address blocks: 12702 AfriNIC Region origin ASes present in the Internet Routing Table: 1783 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 337 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: 1125 Number of AfriNIC addresses announced to Internet: 107769856 Equivalent to 6 /8s, 108 /16s and 112 /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 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5728 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4343 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3735 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 2496 848 388 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 9031 10984 3274 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3557 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3154 54959 2406 DNIC-AS-00749, US 16625 3012 1448 2280 AKAMAI-AS, US 367 2977 3837 1404 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2488 356 401 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 7353 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4086 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2296 913 ROSTELECOM-AS, RU 9009 2685 248 1384 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1752 933 517 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1516 102 1182 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 11745 3364 602 UNINET, MX 10620 3536 506 848 Telmex Colombia S.A., CO 13999 2409 346 631 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 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 1122 182 431 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1028 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 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 780 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 483 32 1 MOVITEL, MZ 24757 462 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 11745 3364 602 UNINET, MX 9808 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9031 10984 3274 AMAZON-02, US 12479 7353 1713 145 UNI2-AS, ES 7545 5728 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4343 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4086 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 9486 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7353 7208 UNI2-AS, ES 16509 9031 5757 AMAZON-02, US 7545 5728 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4343 4318 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4086 3934 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3735 3715 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 27.0.232.0/24 Origin: 133752 LEASEWEB-APAC-HKG-10 Leaseweb Asia Pacif 27.0.232.0/24 Transit: 6453 AS6453, US 27.0.234.0/24 Origin: 149020 WEBHORIZON-AS-AP WebHorizon Internet Ser 27.0.234.0/24 Transit: 136557 HOST-AS-AP Host Universal Pty Ltd, AU 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 /13:576 /14:1195 /15:2099 /16:13457 /17:8199 /18:13722 /19:24809 /20:43274 /21:50899 /22:109301 /23:98605 /24:553647 /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 6439 7353 UNI2-AS, ES 8151 5770 11745 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2602 3557 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2099 3536 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) ---------------------------------------------- 1:2215 2:1402 3:259 4:5 5:4558 6:138 7:6 8:1510 9:1 11:172 12:1509 13:375 14:2305 15:303 16:192 17:368 18:634 20:281 21:4 22:188 23:6358 24:2486 25:6 27:2556 29:19 31:2524 32:77 34:26 35:114 36:1994 37:4522 38:5152 39:869 40:147 41:3995 42:2097 43:2272 44:320 45:16379 46:4275 47:378 49:1796 50:1868 51:596 52:1594 54:394 55:964 56:8 57:122 58:1793 59:1120 60:1001 61:2538 62:2679 63:1914 64:5555 65:2324 66:4861 67:3017 68:1338 69:4130 70:1189 71:656 72:2956 74:2596 75:1562 76:617 77:2329 78:1835 79:2988 80:2119 81:1827 82:1459 83:1283 84:1499 85:2955 86:759 87:1995 88:1128 89:3835 90:618 91:7805 92:2060 93:2620 94:3510 95:4003 96:1295 97:321 98:1078 99:734 100:90 101:1304 102:2898 103:32023 104:4599 105:558 106:882 107:2655 108:1130 109:4216 110:2127 111:3131 112:2060 113:1747 114:1657 115:1994 116:1903 117:2511 118:2695 119:1981 120:1776 121:1090 122:2577 123:2142 124:1580 125:2522 128:1421 129:912 130:1031 131:1951 132:849 133:408 134:1789 135:307 136:910 137:971 138:2636 139:1564 140:1158 141:1293 142:1480 143:1490 144:992 145:346 146:1934 147:1606 148:2426 149:2251 150:869 151:1232 152:1985 153:522 154:4871 155:1383 156:1931 157:1326 158:1082 159:2226 160:2586 161:1584 162:3515 163:1579 164:1697 165:1856 166:1012 167:1722 168:3708 169:902 170:4638 171:871 172:3677 173:2953 174:987 175:1180 176:3783 177:4407 178:3533 179:2097 180:2447 181:3464 182:3317 183:2005 184:2284 185:20517 186:4683 187:4152 188:4126 189:3784 190:9201 191:1375 192:10922 193:8909 194:7245 195:5195 196:3192 197:2301 198:5907 199:6090 200:7863 201:6014 202:10195 203:9973 204:4534 205:3652 206:4287 207:3387 208:4131 209:4890 210:4185 211:2441 212:4229 213:3390 214:1093 215:59 216:6653 217:2776 218:1266 219:403 220:1801 221:977 222:669 223:2142 End of report