IPv4 R&E Routing Table Report 23:05 GMT Sun 23 Jul, 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: 920404 Prefixes after maximum aggregation (per Origin AS): 350082 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452289 Number of IPv4 prefixes with a valid ROA: 413500 Number of IPv4 prefixes with an invalid ROA: 1542 Number of IPv4 prefixes with no ROA: 505362 Total ASes present in the Internet Routing Table: 74458 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63945 Origin ASes announcing only one prefix: 26291 Transit ASes present in the Internet Routing Table: 10513 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1131 Number of instances of unregistered ASNs: 1133 Number of 32-bit ASNs allocated by the RIRs: 42285 Number of 32-bit ASNs visible in the Routing Table: 34794 Prefixes from 32-bit ASNs in the Routing Table: 173308 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 620 Number of addresses announced to Internet: 3052509440 Equivalent to 181 /8s, 241 /16s and 153 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307991 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240253 Total APNIC prefixes after maximum aggregation: 69136 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 234042 Unique aggregates announced from the APNIC address blocks: 98646 APNIC Region origin ASes present in the Internet Routing Table: 13433 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3969 APNIC Region transit ASes present in the Internet Routing Table: 1799 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8818 Number of APNIC addresses announced to Internet: 772982528 Equivalent to 46 /8s, 18 /16s and 199 /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: 270475 Total ARIN prefixes after maximum aggregation: 123260 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272719 Unique aggregates announced from the ARIN address blocks: 130759 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4802 Number of ARIN addresses announced to Internet: 1276586752 Equivalent to 76 /8s, 23 /16s and 43 /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: 260281 Total RIPE prefixes after maximum aggregation: 122627 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256851 Unique aggregates announced from the RIPE address blocks: 159992 RIPE Region origin ASes present in the Internet Routing Table: 28349 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11252 Number of RIPE addresses announced to Internet: 716783616 Equivalent to 42 /8s, 185 /16s and 64 /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 196608-213403 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: 118431 Total LACNIC prefixes after maximum aggregation: 28414 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117552 Unique aggregates announced from the LACNIC address blocks: 49669 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2338 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178502144 Equivalent to 10 /8s, 163 /16s and 186 /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: 29833 Total AfriNIC prefixes after maximum aggregation: 5903 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38620 Unique aggregates announced from the AfriNIC address blocks: 12713 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1113 Number of AfriNIC addresses announced to Internet: 107308800 Equivalent to 6 /8s, 101 /16s and 103 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 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 8767 10932 3126 AMAZON-02, US 11492 4523 300 618 CABLEONE, US 7155 4193 289 100 VIASAT-SP-BACKBONE, US 22773 3536 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3155 1569 2364 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2759 3752 1320 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US 30036 2515 362 351 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 160 AKAMAI-ASN1, NL 8551 3460 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 911 ROSTELECOM-AS, RU 9009 2660 246 1380 M247, RO 34984 2313 361 608 TELLCOM-AS, TR 58224 1816 944 534 TCI, IR 6849 1792 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11632 3378 595 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2410 361 631 Mega Cable, S.A. de C.V., MX 11830 2052 369 64 Instituto Costarricense de Electricidad 28573 1319 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1035 2500 48 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 1606 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1330 1518 283 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 484 73 5 EthioNet-AS, ET 15399 447 54 47 WANANCHI-, 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 11632 3378 595 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8767 10932 3126 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5682 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 618 CABLEONE, US 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 289 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 160 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8767 5641 AMAZON-02, US 7545 5682 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4243 4218 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4078 3918 AKAMAI-ASN1, NL 11492 4523 3905 CABLEONE, US 7552 3706 3685 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /12:296 /13:573 /14:1196 /15:2103 /16:13425 /17:8189 /18:13726 /19:24873 /20:43309 /21:51086 /22:109486 /23:98311 /24:553652 /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 6388 7300 UNI2-AS, ES 8151 5548 11632 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2929 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2170 2515 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2178 2:1350 3:243 4:5 5:4511 6:131 7:6 8:1515 9:1 11:172 12:1522 13:370 14:2308 15:301 16:194 17:373 18:528 20:270 21:4 22:188 23:6358 24:2611 25:4 27:2530 29:19 31:2537 32:78 34:26 35:111 36:1973 37:4694 38:5024 39:829 40:152 41:3873 42:2014 43:2295 44:306 45:16616 46:4351 47:377 49:1758 50:1846 51:584 52:1593 54:397 55:973 56:8 57:120 58:1818 59:1093 60:985 61:2503 62:2654 63:1915 64:5546 65:2310 66:4903 67:3041 68:1324 69:4086 70:1205 71:675 72:2975 74:2634 75:1581 76:611 77:2440 78:1813 79:2969 80:2120 81:1801 82:1488 83:1267 84:1524 85:2969 86:763 87:1997 88:1176 89:3839 90:618 91:7785 92:2044 93:2595 94:3584 95:4040 96:1305 97:331 98:1151 99:734 100:95 101:1313 102:2870 103:31713 104:4560 105:504 106:877 107:2555 108:1075 109:4241 110:2106 111:3130 112:2054 113:1741 114:1635 115:1973 116:1894 117:2564 118:2627 119:1972 120:1788 121:1077 122:2559 123:2134 124:1571 125:2466 128:1375 129:1033 130:1005 131:1961 132:847 133:422 134:1796 135:307 136:888 137:959 138:2503 139:1563 140:1253 141:1304 142:1463 143:1500 144:982 145:341 146:1943 147:1607 148:2398 149:2150 150:881 151:1165 152:1950 153:500 154:4691 155:1369 156:1871 157:1320 158:1095 159:2261 160:2589 161:1552 162:3506 163:1554 164:1657 165:1870 166:1058 167:1732 168:3852 169:936 170:4619 171:893 172:3647 173:2967 174:1043 175:1177 176:3723 177:4499 178:3610 179:2145 180:2470 181:3495 182:3401 183:1989 184:2311 185:20516 186:4762 187:4106 188:4102 189:3717 190:9226 191:1385 192:10913 193:8924 194:7310 195:5158 196:3200 197:2465 198:5928 199:6078 200:7957 201:5918 202:10278 203:10074 204:4555 205:3653 206:4286 207:3382 208:4118 209:4893 210:4186 211:2443 212:4252 213:3570 214:1087 215:60 216:6625 217:2748 218:1261 219:414 220:1770 221:960 222:682 223:2159 End of report