IPv4 R&E Routing Table Report 23:05 GMT Mon 19 Jun, 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: 918323 Prefixes after maximum aggregation (per Origin AS): 348880 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450711 Number of IPv4 prefixes with a valid ROA: 407685 Number of IPv4 prefixes with an invalid ROA: 1778 Number of IPv4 prefixes with no ROA: 508860 Total ASes present in the Internet Routing Table: 74358 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63884 Origin ASes announcing only one prefix: 26265 Transit ASes present in the Internet Routing Table: 10474 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 37 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: 1043 Number of instances of unregistered ASNs: 1048 Number of 32-bit ASNs allocated by the RIRs: 42085 Number of 32-bit ASNs visible in the Routing Table: 34657 Prefixes from 32-bit ASNs in the Routing Table: 171726 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: 572 Number of addresses announced to Internet: 3054496768 Equivalent to 182 /8s, 15 /16s and 236 /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: 99.6 Total number of prefixes smaller than registry allocations: 307578 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240206 Total APNIC prefixes after maximum aggregation: 68763 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234300 Unique aggregates announced from the APNIC address blocks: 98510 APNIC Region origin ASes present in the Internet Routing Table: 13368 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3939 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8753 Number of APNIC addresses announced to Internet: 773093632 Equivalent to 46 /8s, 20 /16s and 121 /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: 269222 Total ARIN prefixes after maximum aggregation: 122423 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271846 Unique aggregates announced from the ARIN address blocks: 130506 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7011 ARIN Region transit ASes present in the Internet Routing Table: 1897 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: 1279321088 Equivalent to 76 /8s, 64 /16s and 228 /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: 260211 Total RIPE prefixes after maximum aggregation: 122767 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256238 Unique aggregates announced from the RIPE address blocks: 159255 RIPE Region origin ASes present in the Internet Routing Table: 28322 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11203 Number of RIPE addresses announced to Internet: 717517568 Equivalent to 42 /8s, 196 /16s and 115 /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: 118034 Total LACNIC prefixes after maximum aggregation: 28347 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117155 Unique aggregates announced from the LACNIC address blocks: 49516 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2303 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8800 Number of LACNIC addresses announced to Internet: 176812032 Equivalent to 10 /8s, 137 /16s and 240 /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: 29607 Total AfriNIC prefixes after maximum aggregation: 5840 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38212 Unique aggregates announced from the AfriNIC address blocks: 12455 AfriNIC Region origin ASes present in the Internet Routing Table: 1750 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1099 Number of AfriNIC addresses announced to Internet: 107421952 Equivalent to 6 /8s, 103 /16s and 33 /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 9503 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4215 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3030 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2430 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2188 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 8528 10866 3117 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4103 284 78 VIASAT-SP-BACKBONE, US 22773 3559 3053 265 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3125 1558 2349 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2506 360 407 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2471 24007 1572 ATT-INTERNET4, 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 7301 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 161 AKAMAI-ASN1, NL 8551 3462 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1385 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1824 937 539 TCI, IR 61317 1644 110 1277 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 11257 3359 607 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2358 353 631 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 511 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 Techtel LMDS Comunicaciones Interactiva 26615 1035 2499 46 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 1580 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1309 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 916 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11257 3359 607 UNINET, MX 9808 9503 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8528 10866 3117 AMAZON-02, US 12479 7301 1706 141 UNI2-AS, ES 7545 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4215 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4103 284 78 VIASAT-SP-BACKBONE, US 20940 4084 3398 161 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 9503 9466 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8528 5411 AMAZON-02, US 7545 5677 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4215 4190 FPT-AS-AP FPT Telecom Company, VN 7155 4103 4025 VIASAT-SP-BACKBONE, US 20940 4084 3923 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7552 3670 3649 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 46887 LIGHTOWER, 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /11:103 /12:301 /13:577 /14:1195 /15:2099 /16:13415 /17:8170 /18:13717 /19:24843 /20:42907 /21:50950 /22:109279 /23:97826 /24:552864 /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 6389 7301 UNI2-AS, ES 8151 5286 11257 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4103 VIASAT-SP-BACKBONE, US 8551 2930 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2629 3559 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2506 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2156 2:1322 3:212 4:5 5:4546 6:131 7:6 8:1508 9:1 11:172 12:1528 13:388 14:2303 15:304 16:190 17:370 18:465 20:261 21:4 22:188 23:6305 24:2595 25:6 27:2523 29:19 31:2516 32:78 34:22 35:110 36:1981 37:4683 38:4911 39:851 40:151 41:3929 42:2009 43:2305 44:309 45:16507 46:4285 47:376 49:1746 50:1865 51:584 52:1595 54:393 55:846 56:8 57:118 58:1816 59:1095 60:980 61:2551 62:2666 63:1909 64:5650 65:2324 66:5011 67:3010 68:1343 69:4115 70:1186 71:675 72:2985 74:2621 75:1556 76:612 77:2447 78:1808 79:2991 80:2129 81:1793 82:1493 83:1264 84:1512 85:3005 86:752 87:2014 88:1169 89:3715 90:615 91:7737 92:2048 93:2610 94:3625 95:4038 96:1314 97:336 98:1138 99:744 100:93 101:1310 102:2776 103:31533 104:4595 105:505 106:959 107:2578 108:1048 109:4196 110:2100 111:3128 112:2049 113:1731 114:1630 115:1993 116:1894 117:2560 118:2608 119:1978 120:1797 121:1070 122:2597 123:2130 124:1573 125:2477 128:1413 129:1047 130:1005 131:1974 132:794 133:422 134:1813 135:307 136:890 137:920 138:2552 139:1546 140:1260 141:1460 142:1450 143:1488 144:1127 145:344 146:1943 147:1583 148:2396 149:2212 150:885 151:1158 152:1943 153:490 154:4587 155:1419 156:1809 157:1317 158:1085 159:2265 160:2573 161:1552 162:3511 163:1535 164:1615 165:1831 166:1087 167:1687 168:3834 169:944 170:4559 171:903 172:3589 173:2926 174:1075 175:1180 176:3766 177:4593 178:3611 179:2167 180:2467 181:3493 182:3394 183:2069 184:2333 185:20341 186:4834 187:3967 188:4104 189:3671 190:9214 191:1461 192:10888 193:8905 194:7335 195:5169 196:3195 197:2386 198:5884 199:6066 200:7858 201:5905 202:10320 203:10259 204:4557 205:3696 206:4233 207:3307 208:4043 209:4870 210:4172 211:2436 212:4227 213:3630 214:1088 215:59 216:6617 217:2735 218:1274 219:410 220:1754 221:962 222:682 223:2156 End of report