IPv4 R&E Routing Table Report 23:05 GMT Thu 29 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: 919809 Prefixes after maximum aggregation (per Origin AS): 349604 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451305 Number of IPv4 prefixes with a valid ROA: 409503 Number of IPv4 prefixes with an invalid ROA: 1673 Number of IPv4 prefixes with no ROA: 508633 Total ASes present in the Internet Routing Table: 74406 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63908 Origin ASes announcing only one prefix: 26304 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 444 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: 1068 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 42186 Number of 32-bit ASNs visible in the Routing Table: 34728 Prefixes from 32-bit ASNs in the Routing Table: 172455 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: 555 Number of addresses announced to Internet: 3053202432 Equivalent to 181 /8s, 252 /16s and 44 /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: 308062 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240162 Total APNIC prefixes after maximum aggregation: 68906 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234146 Unique aggregates announced from the APNIC address blocks: 98606 APNIC Region origin ASes present in the Internet Routing Table: 13397 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3968 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8785 Number of APNIC addresses announced to Internet: 772808192 Equivalent to 46 /8s, 16 /16s and 30 /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: 270039 Total ARIN prefixes after maximum aggregation: 123094 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272541 Unique aggregates announced from the ARIN address blocks: 130655 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4805 Number of ARIN addresses announced to Internet: 1277902080 Equivalent to 76 /8s, 43 /16s and 61 /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: 260170 Total RIPE prefixes after maximum aggregation: 122657 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256454 Unique aggregates announced from the RIPE address blocks: 159474 RIPE Region origin ASes present in the Internet Routing Table: 28337 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12035 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: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11224 Number of RIPE addresses announced to Internet: 717438976 Equivalent to 42 /8s, 195 /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: 118608 Total LACNIC prefixes after maximum aggregation: 28369 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117771 Unique aggregates announced from the LACNIC address blocks: 49580 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2689 LACNIC Region transit ASes present in the Internet Routing Table: 2308 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: 8804 Number of LACNIC addresses announced to Internet: 177014784 Equivalent to 10 /8s, 141 /16s and 8 /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: 29762 Total AfriNIC prefixes after maximum aggregation: 5854 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38342 Unique aggregates announced from the AfriNIC address blocks: 12533 AfriNIC Region origin ASes present in the Internet Routing Table: 1759 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 620 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: 1110 Number of AfriNIC addresses announced to Internet: 107714816 Equivalent to 6 /8s, 107 /16s and 153 /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 5680 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4235 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3669 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3045 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 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 8630 10878 3165 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3540 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1554 2350 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 367 2735 3746 1309 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2492 360 439 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 7290 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4089 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2661 247 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1833 307 17 UKRTELNET, UA 58224 1831 946 535 TCI, IR 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 11496 3374 596 UNINET, MX 10620 3529 507 843 Telmex Colombia S.A., CO 13999 2379 355 627 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 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1127 370 22 Telefonica del Peru S.A.A., PE 11664 1098 177 434 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 1616 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1312 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 548 1861 34 IAM-AS, MA 15399 523 54 46 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 11496 3374 596 UNINET, MX 9808 9503 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8630 10878 3165 AMAZON-02, US 12479 7290 1706 141 UNI2-AS, ES 7545 5680 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4235 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4089 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 9503 9466 CHINAMOBILE-CN China Mobile Communications Grou 12479 7290 7149 UNI2-AS, ES 16509 8630 5465 AMAZON-02, US 7545 5680 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4235 4210 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4089 3930 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3669 3648 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 /16:13422 /17:8175 /18:13718 /19:24852 /20:43050 /21:51060 /22:109382 /23:98119 /24:553675 /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 6379 7290 UNI2-AS, ES 8151 5416 11496 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 2611 3540 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2492 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) ---------------------------------------------- 1:2168 2:1322 3:221 4:5 5:4529 6:128 7:6 8:1512 9:1 11:172 12:1518 13:387 14:2310 15:301 16:188 17:372 18:490 20:260 21:4 22:188 23:6335 24:2590 25:6 27:2516 29:19 31:2507 32:78 34:23 35:111 36:1984 37:4689 38:4959 39:827 40:151 41:3950 42:2001 43:2314 44:305 45:16574 46:4355 47:373 49:1755 50:1856 51:586 52:1596 54:395 55:964 56:8 57:120 58:1817 59:1107 60:982 61:2505 62:2663 63:1905 64:5603 65:2317 66:4991 67:3057 68:1353 69:4115 70:1208 71:675 72:2987 74:2624 75:1564 76:611 77:2441 78:1815 79:2984 80:2117 81:1790 82:1508 83:1256 84:1539 85:3003 86:749 87:2011 88:1172 89:3743 90:615 91:7757 92:2040 93:2607 94:3581 95:4040 96:1310 97:337 98:1137 99:737 100:94 101:1309 102:2813 103:31593 104:4616 105:504 106:940 107:2574 108:1055 109:4212 110:2101 111:3126 112:2048 113:1735 114:1635 115:1974 116:1893 117:2574 118:2614 119:1975 120:1805 121:1076 122:2605 123:2135 124:1574 125:2474 128:1411 129:1043 130:1006 131:1973 132:849 133:422 134:1793 135:309 136:891 137:954 138:2566 139:1551 140:1246 141:1410 142:1453 143:1498 144:1095 145:341 146:1946 147:1586 148:2403 149:2201 150:871 151:1159 152:1950 153:494 154:4586 155:1393 156:1791 157:1311 158:1081 159:2266 160:2560 161:1516 162:3505 163:1544 164:1591 165:1877 166:1074 167:1719 168:3841 169:949 170:4622 171:896 172:3636 173:2957 174:1080 175:1179 176:3750 177:4530 178:3607 179:2174 180:2453 181:3484 182:3395 183:2030 184:2322 185:20390 186:4819 187:4039 188:4097 189:3714 190:9224 191:1390 192:10885 193:8928 194:7322 195:5128 196:3208 197:2381 198:5924 199:6083 200:7910 201:5946 202:10287 203:10248 204:4541 205:3701 206:4253 207:3379 208:4115 209:4892 210:4171 211:2436 212:4237 213:3614 214:1085 215:58 216:6676 217:2765 218:1274 219:412 220:1756 221:962 222:677 223:2152 End of report