IPv4 R&E Routing Table Report 23:05 GMT Thu 03 Nov, 2022 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: 897828 Prefixes after maximum aggregation (per Origin AS): 341841 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440925 Number of IPv4 prefixes with a valid ROA: 359085 Number of IPv4 prefixes with an invalid ROA: 1684 Number of IPv4 prefixes with no ROA: 537059 Total ASes present in the Internet Routing Table: 73587 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63275 Origin ASes announcing only one prefix: 26018 Transit ASes present in the Internet Routing Table: 10312 Transit-only ASes present in the Internet Routing Table: 397 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 40564 Number of 32-bit ASNs visible in the Routing Table: 33555 Prefixes from 32-bit ASNs in the Routing Table: 162147 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3064499712 Equivalent to 182 /8s, 168 /16s and 142 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 301919 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232200 Total APNIC prefixes after maximum aggregation: 67328 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227218 Unique aggregates announced from the APNIC address blocks: 96798 APNIC Region origin ASes present in the Internet Routing Table: 12988 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3752 APNIC Region transit ASes present in the Internet Routing Table: 1748 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8292 Number of APNIC addresses announced to Internet: 773225472 Equivalent to 46 /8s, 22 /16s and 124 /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, 131072-151865 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: 265813 Total ARIN prefixes after maximum aggregation: 121082 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267145 Unique aggregates announced from the ARIN address blocks: 128797 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4652 Number of ARIN addresses announced to Internet: 1290675968 Equivalent to 76 /8s, 238 /16s and 39 /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: 253425 Total RIPE prefixes after maximum aggregation: 119180 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250244 Unique aggregates announced from the RIPE address blocks: 154469 RIPE Region origin ASes present in the Internet Routing Table: 28124 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 3968 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10840 Number of RIPE addresses announced to Internet: 716350464 Equivalent to 42 /8s, 178 /16s and 164 /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: 116607 Total LACNIC prefixes after maximum aggregation: 27902 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116034 Unique aggregates announced from the LACNIC address blocks: 48490 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2699 LACNIC Region transit ASes present in the Internet Routing Table: 2229 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8741 Number of LACNIC addresses announced to Internet: 175922176 Equivalent to 10 /8s, 124 /16s and 92 /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: 28790 Total AfriNIC prefixes after maximum aggregation: 5608 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36686 Unique aggregates announced from the AfriNIC address blocks: 11955 AfriNIC Region origin ASes present in the Internet Routing Table: 1703 AfriNIC Prefixes per ASN: 21.54 AfriNIC Region origin ASes announcing only one prefix: 594 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1030 Number of AfriNIC addresses announced to Internet: 108041984 Equivalent to 6 /8s, 112 /16s and 151 /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 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5940 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3393 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2500 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2255 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2157 440 214 TATACOMM-AS TATA Communications formerl 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7541 10608 2898 AMAZON-02, US 11492 4588 304 552 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3756 3061 341 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3551 1854 2542 AKAMAI-AS, US 6327 3517 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2615 24062 1575 ATT-INTERNET4, US 30036 2599 371 285 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2560 3480 351 GOOGLE-CLOUD-PLATFORM, 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 6917 1730 144 UNI2-AS, ES 20940 4103 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2623 252 1347 M247, RO 6849 2399 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1771 929 542 TCI, IR 13188 1607 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 10784 3344 606 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2100 341 544 Mega Cable, S.A. de C.V., MX 28573 1331 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1111 183 472 Techtel LMDS Comunicaciones Interactiva 6147 1083 369 22 Telefonica del Peru S.A.A., PE 26615 992 2466 43 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 1575 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 991 68 32 ORANGE-COTE-IVOIRE, CI 36935 816 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10784 3344 606 Uninet S.A. de C.V., MX 9808 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7541 10608 2898 AMAZON-02, US 12479 6917 1730 144 UNI2-AS, ES 7545 5940 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4588 304 552 CABLEONE, US 20940 4103 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 265 32 VIASAT-SP-BACKBONE, US 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 9089 9042 CHINAMOBILE-CN China Mobile Communications Grou 12479 6917 6773 UNI2-AS, ES 7545 5940 5245 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7541 4643 AMAZON-02, US 11492 4588 4036 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4103 3929 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3616 3596 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /9:13 /10:38 /11:100 /12:295 /13:586 /14:1197 /15:2076 /16:13478 /17:8279 /18:13851 /19:24790 /20:43016 /21:50762 /22:108505 /23:96053 /24:534766 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5922 6917 UNI2-AS, ES 8151 4739 10784 Uninet S.A. de C.V., MX 11492 3495 4588 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3325 3517 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2779 3756 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2259 2399 UKRTELNET, UA 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1880 2:1017 3:167 4:5 5:4014 6:117 7:5 8:1558 9:1 11:173 12:1620 13:352 14:2372 15:280 16:69 17:359 18:369 20:235 21:4 22:188 23:5987 24:2453 25:6 27:2705 29:19 31:2470 32:90 34:7 35:95 36:1820 37:4502 38:3723 39:770 40:144 41:3928 42:1169 43:2221 44:303 45:16270 46:4190 47:361 49:1704 50:1919 51:244 52:1498 54:397 55:802 56:8 57:79 58:1721 59:1110 60:1002 61:2402 62:2582 63:1958 64:5611 65:2321 66:4825 67:2997 68:1380 69:4131 70:1293 71:678 72:2992 74:2636 75:1474 76:597 77:2219 78:1817 79:3147 80:2054 81:1671 82:1476 83:1214 84:1428 85:2943 86:727 87:1916 88:1163 89:3419 90:550 91:7591 92:2039 93:2549 94:3535 95:3874 96:1349 97:350 98:1169 99:739 100:69 101:1300 102:2404 103:30289 104:4518 105:479 106:893 107:2551 108:902 109:4322 110:2010 111:3279 112:2047 113:1491 114:1517 115:2005 116:1870 117:2475 118:2318 119:1837 120:1676 121:1017 122:2557 123:2106 124:1511 125:2109 128:1203 129:969 130:967 131:2013 132:829 133:378 134:1906 135:288 136:881 137:900 138:2505 139:1513 140:1114 141:1437 142:1385 143:1402 144:1195 145:354 146:1860 147:1523 148:2246 149:1865 150:872 151:1137 152:1949 153:455 154:3809 155:1436 156:1615 157:1297 158:1033 159:2202 160:2571 161:1382 162:3499 163:1422 164:1676 165:1649 166:817 167:1726 168:3817 169:900 170:4541 171:849 172:3470 173:3106 174:1029 175:1170 176:3592 177:4796 178:3521 179:2157 180:2377 181:3340 182:3194 183:1933 184:2360 185:19866 186:4558 187:3990 188:3982 189:3471 190:8962 191:1424 192:10989 193:8737 194:7137 195:5060 196:2991 197:2460 198:5935 199:6045 200:7532 201:5797 202:10134 203:10024 204:4579 205:3490 206:3845 207:3363 208:4075 209:4751 210:4126 211:2331 212:3995 213:3502 214:1084 215:53 216:6523 217:2627 218:1264 219:406 220:1792 221:923 222:660 223:1981 End of report