IPv4 R&E Routing Table Report 23:05 GMT Tue 01 Aug, 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: 920409 Prefixes after maximum aggregation (per Origin AS): 350316 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452285 Number of IPv4 prefixes with a valid ROA: 414644 Number of IPv4 prefixes with an invalid ROA: 1605 Number of IPv4 prefixes with no ROA: 504160 Total ASes present in the Internet Routing Table: 74488 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63985 Origin ASes announcing only one prefix: 26321 Transit ASes present in the Internet Routing Table: 10503 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1073 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 42359 Number of 32-bit ASNs visible in the Routing Table: 34839 Prefixes from 32-bit ASNs in the Routing Table: 173071 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 578 Number of addresses announced to Internet: 3052574464 Equivalent to 181 /8s, 242 /16s and 151 /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: 308031 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240389 Total APNIC prefixes after maximum aggregation: 69329 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234298 Unique aggregates announced from the APNIC address blocks: 98713 APNIC Region origin ASes present in the Internet Routing Table: 13469 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3992 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8846 Number of APNIC addresses announced to Internet: 773001472 Equivalent to 46 /8s, 19 /16s and 17 /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: 270507 Total ARIN prefixes after maximum aggregation: 123453 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272630 Unique aggregates announced from the ARIN address blocks: 130823 ARIN Region origin ASes present in the Internet Routing Table: 19054 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: 1895 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: 4799 Number of ARIN addresses announced to Internet: 1276614912 Equivalent to 76 /8s, 23 /16s and 153 /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: 260115 Total RIPE prefixes after maximum aggregation: 122507 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256822 Unique aggregates announced from the RIPE address blocks: 159837 RIPE Region origin ASes present in the Internet Routing Table: 28351 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12054 RIPE Region transit ASes present in the Internet Routing Table: 3962 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: 11272 Number of RIPE addresses announced to Internet: 716471808 Equivalent to 42 /8s, 180 /16s and 126 /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: 118453 Total LACNIC prefixes after maximum aggregation: 28391 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117573 Unique aggregates announced from the LACNIC address blocks: 49756 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2331 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: 8812 Number of LACNIC addresses announced to Internet: 178518784 Equivalent to 10 /8s, 163 /16s and 251 /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: 29872 Total AfriNIC prefixes after maximum aggregation: 5907 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38508 Unique aggregates announced from the AfriNIC address blocks: 12677 AfriNIC Region origin ASes present in the Internet Routing Table: 1763 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1110 Number of AfriNIC addresses announced to Internet: 107636736 Equivalent to 6 /8s, 106 /16s and 104 /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 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3705 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3585 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3359 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3051 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2471 838 432 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2181 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 8812 10934 3191 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3530 3051 265 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3108 1534 2328 AKAMAI-AS, US 367 2960 3839 1393 DNIC-ASBLK-00306-00371, US 396982 2680 3596 385 GOOGLE-CLOUD-PLATFORM, US 30036 2510 359 378 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 7311 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4071 3398 157 AKAMAI-ASN1, NL 8551 3451 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 912 ROSTELECOM-AS, RU 9009 2671 247 1395 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1815 944 536 TCI, IR 6849 1755 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 11621 3374 606 UNINET, MX 10620 3533 507 831 Telmex Colombia S.A., CO 13999 2420 362 638 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 234 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1036 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1354 1518 283 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 506 32 1 MOVITEL, MZ 24757 460 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 11621 3374 606 UNINET, MX 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8812 10934 3191 AMAZON-02, US 12479 7311 1706 141 UNI2-AS, ES 7545 5681 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4071 3398 157 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 9519 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7311 7170 UNI2-AS, ES 16509 8812 5621 AMAZON-02, US 7545 5681 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4071 3914 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US 7552 3705 3684 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 209224 UNALLOCATED 5.42.89.0/24 210281 WAICORE, GB 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 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 /13:572 /14:1195 /15:2102 /16:13426 /17:8171 /18:13731 /19:24834 /20:43241 /21:51051 /22:109433 /23:98345 /24:553833 /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 6401 7311 UNI2-AS, ES 8151 5600 11621 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2920 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2510 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 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) ---------------------------------------------- 1:2183 2:1349 3:247 4:5 5:4491 6:131 7:6 8:1511 9:1 11:172 12:1522 13:373 14:2298 15:302 16:194 17:376 18:550 20:273 21:4 22:188 23:6363 24:2473 25:4 27:2526 29:19 31:2521 32:78 34:26 35:112 36:1979 37:4677 38:5097 39:835 40:147 41:3875 42:2028 43:2296 44:309 45:16552 46:4337 47:381 49:1773 50:1855 51:585 52:1591 54:393 55:955 56:8 57:121 58:1820 59:1119 60:991 61:2500 62:2666 63:1922 64:5559 65:2289 66:4908 67:3044 68:1322 69:4083 70:1205 71:680 72:2976 74:2621 75:1580 76:615 77:2450 78:1829 79:2971 80:2111 81:1783 82:1492 83:1269 84:1517 85:2975 86:766 87:2000 88:1172 89:3857 90:615 91:7798 92:2052 93:2575 94:3575 95:4032 96:1296 97:322 98:1147 99:735 100:95 101:1313 102:2862 103:31793 104:4551 105:567 106:877 107:2549 108:1088 109:4240 110:2111 111:3134 112:2056 113:1739 114:1641 115:1993 116:1894 117:2581 118:2672 119:1972 120:1786 121:1079 122:2568 123:2138 124:1576 125:2478 128:1405 129:1038 130:1013 131:1958 132:840 133:422 134:1787 135:306 136:898 137:966 138:2619 139:1563 140:1238 141:1299 142:1473 143:1487 144:1006 145:342 146:1944 147:1613 148:2401 149:2169 150:877 151:1167 152:1957 153:508 154:4598 155:1379 156:1857 157:1324 158:1081 159:2223 160:2593 161:1570 162:3509 163:1558 164:1709 165:1867 166:1017 167:1730 168:3867 169:930 170:4588 171:894 172:3630 173:2982 174:1042 175:1178 176:3734 177:4557 178:3616 179:2170 180:2439 181:3485 182:3401 183:1992 184:2294 185:20487 186:4739 187:4107 188:4101 189:3758 190:9210 191:1388 192:10924 193:8925 194:7269 195:5158 196:3209 197:2461 198:5923 199:6086 200:7943 201:5933 202:10274 203:10040 204:4540 205:3615 206:4252 207:3361 208:4124 209:4896 210:4182 211:2430 212:4250 213:3580 214:1089 215:60 216:6702 217:2764 218:1262 219:414 220:1798 221:961 222:667 223:2157 End of report