IPv4 R&E Routing Table Report 23:05 GMT Wed 14 Dec, 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: 901464 Prefixes after maximum aggregation (per Origin AS): 343321 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443751 Number of IPv4 prefixes with a valid ROA: 365427 Number of IPv4 prefixes with an invalid ROA: 1495 Number of IPv4 prefixes with no ROA: 534542 Total ASes present in the Internet Routing Table: 73773 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63363 Origin ASes announcing only one prefix: 26080 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 427 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: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1028 Number of instances of unregistered ASNs: 1028 Number of 32-bit ASNs allocated by the RIRs: 40883 Number of 32-bit ASNs visible in the Routing Table: 33810 Prefixes from 32-bit ASNs in the Routing Table: 164679 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3061141504 Equivalent to 182 /8s, 117 /16s and 80 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 303135 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233260 Total APNIC prefixes after maximum aggregation: 67776 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228155 Unique aggregates announced from the APNIC address blocks: 97216 APNIC Region origin ASes present in the Internet Routing Table: 13085 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3824 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: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8399 Number of APNIC addresses announced to Internet: 773144576 Equivalent to 46 /8s, 21 /16s and 64 /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: 266305 Total ARIN prefixes after maximum aggregation: 121191 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267903 Unique aggregates announced from the ARIN address blocks: 129570 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4686 Number of ARIN addresses announced to Internet: 1287965184 Equivalent to 76 /8s, 196 /16s and 202 /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: 255061 Total RIPE prefixes after maximum aggregation: 119740 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251808 Unique aggregates announced from the RIPE address blocks: 155751 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12011 RIPE Region transit ASes present in the Internet Routing Table: 3987 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10915 Number of RIPE addresses announced to Internet: 715937280 Equivalent to 42 /8s, 172 /16s and 86 /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: 117195 Total LACNIC prefixes after maximum aggregation: 28175 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116504 Unique aggregates announced from the LACNIC address blocks: 48792 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8766 Number of LACNIC addresses announced to Internet: 176033280 Equivalent to 10 /8s, 126 /16s and 14 /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: 28615 Total AfriNIC prefixes after maximum aggregation: 5667 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36582 Unique aggregates announced from the AfriNIC address blocks: 12001 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1044 Number of AfriNIC addresses announced to Internet: 107767808 Equivalent to 6 /8s, 108 /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 9154 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5936 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2599 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2318 848 428 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 592 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 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 7759 10640 2913 AMAZON-02, US 11492 4547 301 573 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3702 3067 331 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3457 1797 2503 AKAMAI-AS, US 749 3028 50577 2295 DNIC-AS-00749, US 7018 2600 24128 1570 ATT-INTERNET4, US 396982 2570 3483 365 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 384 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 6943 1706 146 UNI2-AS, ES 39891 4486 264 55 ALJAWWALSTC-AS, SA 20940 4050 3399 175 AKAMAI-ASN1, NL 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2648 252 1358 M247, RO 34984 2252 358 609 TELLCOM-AS, TR 6849 2220 339 20 UKRTELNET, UA 58224 1797 939 527 TCI, IR 13188 1610 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 10883 3340 592 Uninet S.A. de C.V., MX 10620 3465 507 851 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2180 360 571 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1137 188 470 Techtel LMDS Comunicaciones Interactiva 26615 990 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 24835 1550 537 31 RAYA-AS, EG 24863 1524 393 21 LINKdotNET-AS, EG 36992 1361 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 436 32 1 MOVITEL, MZ 2018 367 319 67 TENET-1, ZA 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 10883 3340 592 Uninet S.A. de C.V., MX 9808 9154 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7759 10640 2913 AMAZON-02, US 12479 6943 1706 146 UNI2-AS, ES 7545 5936 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 573 CABLEONE, US 39891 4486 264 55 ALJAWWALSTC-AS, SA 20940 4050 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3702 3067 331 ASN-CXA-ALL-CCI-22773-RDC, 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 9154 9107 CHINAMOBILE-CN China Mobile Communications Grou 12479 6943 6797 UNI2-AS, ES 7545 5936 5245 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7759 4846 AMAZON-02, US 39891 4486 4431 ALJAWWALSTC-AS, SA 11492 4547 3974 CABLEONE, US 20940 4050 3875 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3698 3660 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 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 /13:582 /14:1194 /15:2077 /16:13456 /17:8235 /18:13766 /19:24834 /20:42962 /21:50910 /22:108778 /23:96448 /24:537752 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5987 6943 UNI2-AS, ES 8151 4874 10883 Uninet S.A. de C.V., MX 39891 3541 4486 ALJAWWALSTC-AS, SA 11492 3454 4547 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2728 3702 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2070 2220 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1646 2:1210 3:168 4:5 5:4089 6:110 7:5 8:1537 9:1 11:172 12:1610 13:374 14:2365 15:287 16:75 17:372 18:402 20:243 21:4 22:188 23:6004 24:2443 25:4 27:2704 29:19 31:2489 32:104 34:8 35:95 36:1841 37:4612 38:3922 39:817 40:144 41:3917 42:1072 43:2292 44:302 45:16431 46:4185 47:371 49:1705 50:1932 51:374 52:1525 54:395 55:821 56:8 57:82 58:1704 59:1102 60:1002 61:2422 62:2600 63:1951 64:5617 65:2324 66:4902 67:3025 68:1372 69:4131 70:1258 71:656 72:2989 74:2603 75:1463 76:596 77:2333 78:1827 79:2937 80:2056 81:1683 82:1490 83:1230 84:1494 85:2964 86:748 87:1922 88:1179 89:3506 90:578 91:7617 92:1982 93:2559 94:3524 95:3880 96:1314 97:344 98:1173 99:740 100:69 101:1290 102:2509 103:30560 104:4580 105:483 106:828 107:2538 108:912 109:4356 110:2046 111:3272 112:2027 113:1494 114:1598 115:2010 116:1854 117:2471 118:2289 119:1892 120:1697 121:1040 122:2572 123:2128 124:1535 125:2171 128:1229 129:965 130:964 131:2003 132:830 133:400 134:1893 135:295 136:885 137:917 138:2578 139:1501 140:1023 141:1485 142:1411 143:1452 144:1190 145:352 146:1881 147:1505 148:2264 149:1871 150:863 151:1146 152:1944 153:458 154:3789 155:1414 156:1628 157:1288 158:1040 159:2240 160:2573 161:1429 162:3516 163:1452 164:1674 165:1633 166:825 167:1748 168:3838 169:917 170:4569 171:873 172:3518 173:3060 174:1031 175:1157 176:3615 177:4752 178:3555 179:2138 180:2397 181:3349 182:3229 183:1934 184:2363 185:20002 186:4633 187:3924 188:4074 189:3440 190:9000 191:1472 192:10986 193:8798 194:7185 195:5088 196:3051 197:2345 198:5932 199:6068 200:7655 201:5853 202:10213 203:10028 204:4599 205:3510 206:3744 207:3348 208:4096 209:4785 210:4159 211:2394 212:4036 213:3545 214:1107 215:55 216:6591 217:2639 218:1248 219:411 220:1782 221:952 222:665 223:1991 End of report