IPv4 R&E Routing Table Report 23:05 GMT Sun 10 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: 921754 Prefixes after maximum aggregation (per Origin AS): 351552 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452669 Number of IPv4 prefixes with a valid ROA: 418331 Number of IPv4 prefixes with an invalid ROA: 1701 Number of IPv4 prefixes with no ROA: 501722 Total ASes present in the Internet Routing Table: 74595 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64180 Origin ASes announcing only one prefix: 26311 Transit ASes present in the Internet Routing Table: 10415 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: 1055 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 42590 Number of 32-bit ASNs visible in the Routing Table: 34999 Prefixes from 32-bit ASNs in the Routing Table: 174480 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: 598 Number of addresses announced to Internet: 3054421760 Equivalent to 182 /8s, 14 /16s and 199 /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: 307966 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241101 Total APNIC prefixes after maximum aggregation: 70082 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234764 Unique aggregates announced from the APNIC address blocks: 98627 APNIC Region origin ASes present in the Internet Routing Table: 13539 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4016 APNIC Region transit ASes present in the Internet Routing Table: 1797 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: 8920 Number of APNIC addresses announced to Internet: 772096768 Equivalent to 46 /8s, 5 /16s and 67 /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: 270863 Total ARIN prefixes after maximum aggregation: 123446 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273706 Unique aggregates announced from the ARIN address blocks: 131498 ARIN Region origin ASes present in the Internet Routing Table: 19041 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: 1890 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: 4815 Number of ARIN addresses announced to Internet: 1278998528 Equivalent to 76 /8s, 59 /16s and 248 /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: 260387 Total RIPE prefixes after maximum aggregation: 123014 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256430 Unique aggregates announced from the RIPE address blocks: 160003 RIPE Region origin ASes present in the Internet Routing Table: 28376 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3894 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: 11301 Number of RIPE addresses announced to Internet: 716602624 Equivalent to 42 /8s, 182 /16s and 125 /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: 118233 Total LACNIC prefixes after maximum aggregation: 28319 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117254 Unique aggregates announced from the LACNIC address blocks: 49219 LACNIC Region origin ASes present in the Internet Routing Table: 11014 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2327 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: 8832 Number of LACNIC addresses announced to Internet: 178497536 Equivalent to 10 /8s, 163 /16s and 168 /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: 30115 Total AfriNIC prefixes after maximum aggregation: 5976 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39002 Unique aggregates announced from the AfriNIC address blocks: 12821 AfriNIC Region origin ASes present in the Internet Routing Table: 1788 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1131 Number of AfriNIC addresses announced to Internet: 107767040 Equivalent to 6 /8s, 108 /16s and 101 /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 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 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 2417 812 549 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 9061 10989 3263 AMAZON-02, US 11492 4512 299 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3552 3040 311 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 2962 3827 1391 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 7357 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4064 3398 152 AKAMAI-ASN1, NL 8551 3454 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2296 912 ROSTELECOM-AS, RU 9009 2722 253 1389 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 928 516 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1498 100 1166 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 11782 3368 602 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 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 1501 533 27 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 904 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 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 11782 3368 602 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9061 10989 3263 AMAZON-02, US 12479 7357 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 4353 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 7357 7212 UNI2-AS, ES 16509 9061 5798 AMAZON-02, US 7545 5726 5038 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 4064 3912 AKAMAI-ASN1, NL 11492 4512 3839 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 /16:13468 /17:8188 /18:13725 /19:24803 /20:43248 /21:50898 /22:109492 /23:98698 /24:554890 /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 6443 7357 UNI2-AS, ES 8151 5804 11782 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 2928 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2600 3552 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) ---------------------------------------------- 1:2225 2:1400 3:257 4:5 5:4560 6:136 7:6 8:1503 9:1 11:172 12:1511 13:374 14:2311 15:304 16:192 17:369 18:638 20:283 21:4 22:188 23:6378 24:2485 25:6 27:2563 29:19 31:2523 32:77 34:26 35:114 36:1995 37:4531 38:5194 39:870 40:146 41:4040 42:2096 43:2263 44:316 45:16465 46:4273 47:378 49:1804 50:1873 51:597 52:1598 54:395 55:965 56:8 57:123 58:1796 59:1119 60:1001 61:2537 62:2673 63:1910 64:5633 65:2338 66:4870 67:3027 68:1339 69:4134 70:1191 71:658 72:2955 74:2592 75:1565 76:616 77:2327 78:1837 79:2993 80:2116 81:1836 82:1459 83:1287 84:1532 85:2995 86:767 87:1994 88:1170 89:3848 90:617 91:7814 92:2062 93:2618 94:3506 95:4007 96:1297 97:321 98:1081 99:735 100:90 101:1314 102:2902 103:32036 104:4595 105:560 106:885 107:2680 108:1126 109:4212 110:2127 111:3133 112:2061 113:1750 114:1658 115:1994 116:1906 117:2510 118:2700 119:1976 120:1775 121:1099 122:2588 123:2148 124:1580 125:2513 128:1413 129:913 130:1030 131:1952 132:848 133:408 134:1790 135:306 136:911 137:970 138:2633 139:1554 140:1163 141:1281 142:1501 143:1499 144:992 145:346 146:1931 147:1602 148:2427 149:2252 150:870 151:1233 152:1981 153:522 154:4894 155:1379 156:1934 157:1324 158:1084 159:2241 160:2602 161:1585 162:3533 163:1585 164:1693 165:1854 166:1057 167:1723 168:3704 169:901 170:4627 171:889 172:3697 173:2950 174:978 175:1182 176:3752 177:4436 178:3510 179:2119 180:2469 181:3514 182:3318 183:2005 184:2277 185:20517 186:4709 187:4170 188:4155 189:3805 190:9188 191:1438 192:10929 193:8942 194:7257 195:5194 196:3193 197:2469 198:5907 199:6103 200:7872 201:6018 202:10198 203:9982 204:4535 205:3679 206:4292 207:3391 208:4132 209:4893 210:4195 211:2438 212:4235 213:3404 214:1090 215:58 216:6666 217:2779 218:1265 219:404 220:1801 221:977 222:672 223:2143 End of report