IPv4 R&E Routing Table Report 23:05 GMT Wed 23 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: 898645 Prefixes after maximum aggregation (per Origin AS): 342127 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441392 Number of IPv4 prefixes with a valid ROA: 362439 Number of IPv4 prefixes with an invalid ROA: 1576 Number of IPv4 prefixes with no ROA: 534630 Total ASes present in the Internet Routing Table: 73372 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 63045 Origin ASes announcing only one prefix: 25848 Transit ASes present in the Internet Routing Table: 10327 Transit-only ASes present in the Internet Routing Table: 416 Paths with bogon ASNs present in the IPv4 Routing Table: 40 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: 984 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 40692 Number of 32-bit ASNs visible in the Routing Table: 33576 Prefixes from 32-bit ASNs in the Routing Table: 163635 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3061205760 Equivalent to 182 /8s, 118 /16s and 75 /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: 301611 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233094 Total APNIC prefixes after maximum aggregation: 67528 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227977 Unique aggregates announced from the APNIC address blocks: 97153 APNIC Region origin ASes present in the Internet Routing Table: 13014 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3780 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8329 Number of APNIC addresses announced to Internet: 773097984 Equivalent to 46 /8s, 20 /16s and 138 /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: 266152 Total ARIN prefixes after maximum aggregation: 121192 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267748 Unique aggregates announced from the ARIN address blocks: 129352 ARIN Region origin ASes present in the Internet Routing Table: 19019 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6985 ARIN Region transit ASes present in the Internet Routing Table: 1876 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: 4670 Number of ARIN addresses announced to Internet: 1288694784 Equivalent to 76 /8s, 207 /16s and 236 /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: 252875 Total RIPE prefixes after maximum aggregation: 118873 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249582 Unique aggregates announced from the RIPE address blocks: 153629 RIPE Region origin ASes present in the Internet Routing Table: 27850 RIPE Prefixes per ASN: 8.96 RIPE Region origin ASes announcing only one prefix: 11819 RIPE Region transit ASes present in the Internet Routing Table: 3938 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: 10793 Number of RIPE addresses announced to Internet: 715468032 Equivalent to 42 /8s, 165 /16s and 45 /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: 116862 Total LACNIC prefixes after maximum aggregation: 28155 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116210 Unique aggregates announced from the LACNIC address blocks: 48814 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2252 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: 8750 Number of LACNIC addresses announced to Internet: 175557376 Equivalent to 10 /8s, 118 /16s and 203 /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: 28678 Total AfriNIC prefixes after maximum aggregation: 5634 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36613 Unique aggregates announced from the AfriNIC address blocks: 12015 AfriNIC Region origin ASes present in the Internet Routing Table: 1702 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1034 Number of AfriNIC addresses announced to Internet: 108097280 Equivalent to 6 /8s, 113 /16s and 111 /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 9125 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5949 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3623 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1874 89 VNPT-AS-VN VNPT Corp, VN 9498 2545 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2300 848 419 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2293 11251 596 KIXS-AS-KR Korea Telecom, KR 4755 2160 440 214 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 7658 10622 2897 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3728 3062 328 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3561 1859 2561 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2583 24058 1551 ATT-INTERNET4, US 396982 2564 3482 359 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 6967 1730 144 UNI2-AS, ES 20940 4094 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2651 253 1361 M247, RO 34984 2245 357 610 TELLCOM-AS, TR 6849 2175 339 20 UKRTELNET, UA 58224 1772 929 542 TCI, IR 13188 1460 91 222 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 10874 3347 598 Uninet S.A. de C.V., MX 10620 3442 505 867 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2126 348 550 Mega Cable, S.A. de C.V., MX 28573 1332 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1127 182 480 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 988 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 1545 537 31 RAYA-AS, EG 24863 1358 393 21 LINKdotNET-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 42 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 530 53 44 WANANCHI-, KE 37342 441 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 10874 3347 598 Uninet S.A. de C.V., MX 9808 9125 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7658 10622 2897 AMAZON-02, US 12479 6967 1730 144 UNI2-AS, ES 7545 5949 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4579 303 539 CABLEONE, US 20940 4094 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3966 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 9125 9078 CHINAMOBILE-CN China Mobile Communications Grou 12479 6967 6823 UNI2-AS, ES 7545 5949 5255 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7658 4761 AMAZON-02, US 11492 4579 4040 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4094 3919 AKAMAI-ASN1, NL 7552 3623 3603 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 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 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 /15:2076 /16:13478 /17:8252 /18:13777 /19:24778 /20:43016 /21:50900 /22:108668 /23:96123 /24:535332 /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 5992 6967 UNI2-AS, ES 8151 4821 10874 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2753 3728 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2029 2175 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1857 2:1016 3:166 4:5 5:4039 6:118 7:5 8:1544 9:1 11:173 12:1617 13:381 14:2372 15:286 16:73 17:366 18:384 20:233 21:4 22:188 23:6007 24:2449 25:6 27:2694 29:19 31:2464 32:95 34:8 35:94 36:1821 37:4509 38:3835 39:771 40:144 41:3909 42:1181 43:2273 44:302 45:16237 46:4095 47:371 49:1695 50:1933 51:244 52:1506 54:398 55:845 56:8 57:79 58:1726 59:1104 60:1005 61:2426 62:2542 63:1952 64:5649 65:2332 66:4824 67:2996 68:1380 69:4164 70:1292 71:677 72:2993 74:2637 75:1472 76:597 77:2239 78:1813 79:3150 80:2042 81:1642 82:1485 83:1215 84:1484 85:2963 86:732 87:1922 88:1164 89:3438 90:575 91:7460 92:1982 93:2543 94:3528 95:3876 96:1338 97:347 98:1174 99:740 100:69 101:1287 102:2461 103:30380 104:4543 105:479 106:826 107:2527 108:913 109:4199 110:2003 111:3271 112:2048 113:1507 114:1598 115:2042 116:1876 117:2469 118:2332 119:1839 120:1694 121:1047 122:2580 123:2113 124:1534 125:2129 128:1203 129:965 130:964 131:2025 132:827 133:401 134:1910 135:295 136:880 137:915 138:2526 139:1516 140:1048 141:1480 142:1408 143:1405 144:1204 145:352 146:1875 147:1504 148:2246 149:1841 150:865 151:1144 152:1948 153:456 154:3776 155:1385 156:1627 157:1285 158:1037 159:2214 160:2578 161:1422 162:3510 163:1444 164:1666 165:1653 166:828 167:1731 168:3832 169:914 170:4559 171:862 172:3515 173:3104 174:1030 175:1180 176:3568 177:4767 178:3480 179:2141 180:2386 181:3327 182:3198 183:1920 184:2346 185:19906 186:4599 187:3955 188:4002 189:3430 190:9017 191:1454 192:10975 193:8696 194:7130 195:5036 196:2988 197:2378 198:5943 199:6073 200:7570 201:5827 202:10162 203:10056 204:4594 205:3470 206:3765 207:3348 208:4095 209:4776 210:4152 211:2340 212:4003 213:3498 214:1107 215:57 216:6548 217:2603 218:1265 219:408 220:1794 221:951 222:664 223:2003 End of report