IPv4 R&E Routing Table Report 23:05 GMT Fri 30 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: 919672 Prefixes after maximum aggregation (per Origin AS): 349510 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451365 Number of IPv4 prefixes with a valid ROA: 410302 Number of IPv4 prefixes with an invalid ROA: 1673 Number of IPv4 prefixes with no ROA: 507697 Total ASes present in the Internet Routing Table: 74395 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63901 Origin ASes announcing only one prefix: 26286 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1051 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 42196 Number of 32-bit ASNs visible in the Routing Table: 34722 Prefixes from 32-bit ASNs in the Routing Table: 172491 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: 552 Number of addresses announced to Internet: 3053376256 Equivalent to 181 /8s, 254 /16s and 211 /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: 308076 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240041 Total APNIC prefixes after maximum aggregation: 68884 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233988 Unique aggregates announced from the APNIC address blocks: 98605 APNIC Region origin ASes present in the Internet Routing Table: 13393 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3958 APNIC Region transit ASes present in the Internet Routing Table: 1792 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: 8782 Number of APNIC addresses announced to Internet: 772937216 Equivalent to 46 /8s, 18 /16s and 22 /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: 270035 Total ARIN prefixes after maximum aggregation: 123033 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272463 Unique aggregates announced from the ARIN address blocks: 130627 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1894 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: 4804 Number of ARIN addresses announced to Internet: 1278044416 Equivalent to 76 /8s, 45 /16s and 105 /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: 260136 Total RIPE prefixes after maximum aggregation: 122657 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256489 Unique aggregates announced from the RIPE address blocks: 159543 RIPE Region origin ASes present in the Internet Routing Table: 28342 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3970 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: 11228 Number of RIPE addresses announced to Internet: 717395968 Equivalent to 42 /8s, 194 /16s and 152 /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: 118605 Total LACNIC prefixes after maximum aggregation: 28369 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117753 Unique aggregates announced from the LACNIC address blocks: 49572 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2309 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8798 Number of LACNIC addresses announced to Internet: 176961024 Equivalent to 10 /8s, 140 /16s and 54 /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: 29804 Total AfriNIC prefixes after maximum aggregation: 5853 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38427 Unique aggregates announced from the AfriNIC address blocks: 12564 AfriNIC Region origin ASes present in the Internet Routing Table: 1758 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 617 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: 1110 Number of AfriNIC addresses announced to Internet: 107712256 Equivalent to 6 /8s, 107 /16s and 143 /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 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4229 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3673 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3043 498 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11268 583 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8678 10887 3135 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3124 54969 2376 DNIC-AS-00749, US 16625 3121 1550 2347 AKAMAI-AS, US 367 2737 3748 1310 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2497 360 438 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 7293 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1831 946 535 TCI, IR 6849 1800 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 11508 3374 596 UNINET, MX 10620 3529 507 843 Telmex Colombia S.A., CO 13999 2377 355 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 370 22 Telefonica del Peru S.A.A., PE 11664 1099 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 47 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 1628 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 475 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 11508 3374 596 UNINET, MX 9808 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8678 10887 3135 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5682 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4229 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4082 3398 159 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 9504 9467 CHINAMOBILE-CN China Mobile Communications Grou 12479 7293 7152 UNI2-AS, ES 16509 8678 5543 AMAZON-02, US 7545 5682 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4229 4204 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4082 3923 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3673 3652 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 /12:299 /13:575 /14:1197 /15:2105 /16:13431 /17:8181 /18:13718 /19:24866 /20:43065 /21:51074 /22:109392 /23:98133 /24:553456 /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 6381 7293 UNI2-AS, ES 8151 5428 11508 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2497 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) ---------------------------------------------- 1:2166 2:1329 3:226 4:5 5:4528 6:129 7:6 8:1513 9:1 11:172 12:1519 13:386 14:2309 15:301 16:194 17:373 18:499 20:260 21:4 22:188 23:6349 24:2591 25:6 27:2515 29:19 31:2512 32:78 34:23 35:111 36:1982 37:4673 38:4976 39:827 40:151 41:3962 42:2000 43:2320 44:303 45:16578 46:4354 47:377 49:1754 50:1855 51:586 52:1595 54:395 55:978 56:8 57:120 58:1815 59:1108 60:982 61:2505 62:2667 63:1904 64:5600 65:2317 66:4990 67:3060 68:1354 69:4113 70:1208 71:676 72:2981 74:2621 75:1565 76:610 77:2441 78:1813 79:2984 80:2117 81:1791 82:1506 83:1251 84:1542 85:3003 86:749 87:2010 88:1174 89:3754 90:614 91:7758 92:2039 93:2606 94:3568 95:4048 96:1310 97:341 98:1136 99:735 100:94 101:1309 102:2818 103:31601 104:4551 105:504 106:884 107:2573 108:1056 109:4217 110:2100 111:3129 112:2049 113:1735 114:1628 115:1973 116:1892 117:2576 118:2615 119:1976 120:1805 121:1076 122:2604 123:2127 124:1576 125:2476 128:1406 129:1044 130:1006 131:1966 132:843 133:422 134:1797 135:309 136:890 137:948 138:2524 139:1549 140:1246 141:1416 142:1452 143:1496 144:1095 145:341 146:1954 147:1585 148:2405 149:2209 150:869 151:1163 152:1956 153:494 154:4628 155:1387 156:1790 157:1311 158:1081 159:2255 160:2562 161:1515 162:3504 163:1551 164:1592 165:1869 166:1079 167:1721 168:3835 169:949 170:4630 171:896 172:3630 173:2961 174:1080 175:1184 176:3744 177:4522 178:3608 179:2172 180:2453 181:3488 182:3396 183:2024 184:2322 185:20398 186:4837 187:4063 188:4092 189:3693 190:9222 191:1377 192:10883 193:8927 194:7320 195:5124 196:3204 197:2383 198:5909 199:6088 200:7913 201:5957 202:10256 203:10103 204:4544 205:3692 206:4265 207:3379 208:4110 209:4897 210:4173 211:2436 212:4266 213:3619 214:1086 215:59 216:6634 217:2765 218:1274 219:412 220:1756 221:962 222:683 223:2155 End of report