IPv4 R&E Routing Table Report 23:05 GMT Mon 17 Oct, 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: 895777 Prefixes after maximum aggregation (per Origin AS): 340932 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439682 Number of IPv4 prefixes with a valid ROA: 355736 Number of IPv4 prefixes with an invalid ROA: 1622 Number of IPv4 prefixes with no ROA: 538419 Total ASes present in the Internet Routing Table: 73558 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63207 Origin ASes announcing only one prefix: 25991 Transit ASes present in the Internet Routing Table: 10351 Transit-only ASes present in the Internet Routing Table: 407 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1095 Number of instances of unregistered ASNs: 1098 Number of 32-bit ASNs allocated by the RIRs: 40405 Number of 32-bit ASNs visible in the Routing Table: 33463 Prefixes from 32-bit ASNs in the Routing Table: 161195 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: 544 Number of addresses announced to Internet: 3063270400 Equivalent to 182 /8s, 149 /16s and 204 /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: 301270 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231847 Total APNIC prefixes after maximum aggregation: 67162 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226812 Unique aggregates announced from the APNIC address blocks: 96547 APNIC Region origin ASes present in the Internet Routing Table: 12946 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3739 APNIC Region transit ASes present in the Internet Routing Table: 1749 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: 8246 Number of APNIC addresses announced to Internet: 773323520 Equivalent to 46 /8s, 23 /16s and 251 /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: 265085 Total ARIN prefixes after maximum aggregation: 120758 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266324 Unique aggregates announced from the ARIN address blocks: 128536 ARIN Region origin ASes present in the Internet Routing Table: 18986 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1873 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: 4623 Number of ARIN addresses announced to Internet: 1289574400 Equivalent to 76 /8s, 221 /16s and 88 /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: 253036 Total RIPE prefixes after maximum aggregation: 118834 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250190 Unique aggregates announced from the RIPE address blocks: 153885 RIPE Region origin ASes present in the Internet Routing Table: 28148 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12010 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 10832 Number of RIPE addresses announced to Internet: 716385536 Equivalent to 42 /8s, 179 /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: 116312 Total LACNIC prefixes after maximum aggregation: 27797 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115868 Unique aggregates announced from the LACNIC address blocks: 48371 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 8740 Number of LACNIC addresses announced to Internet: 175804672 Equivalent to 10 /8s, 122 /16s and 145 /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: 28402 Total AfriNIC prefixes after maximum aggregation: 5575 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36039 Unique aggregates announced from the AfriNIC address blocks: 11901 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 AfriNIC Prefixes per ASN: 21.27 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1022 Number of AfriNIC addresses announced to Internet: 107878912 Equivalent to 6 /8s, 110 /16s and 26 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5924 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3523 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2471 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2237 850 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2139 425 217 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 7323 10574 2905 AMAZON-02, US 11492 4603 305 518 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3769 3066 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3526 1835 2538 AKAMAI-AS, US 6327 3494 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2597 367 274 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2572 24150 1575 ATT-INTERNET4, US 396982 2552 3479 345 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 6878 1730 144 UNI2-AS, ES 20940 4103 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2616 252 1344 M247, RO 6849 2488 339 20 UKRTELNET, UA 34984 2242 357 616 TELLCOM-AS, TR 58224 1688 909 641 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 10895 3337 600 Uninet S.A. de C.V., MX 10620 3470 510 844 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2062 336 532 Mega Cable, S.A. de C.V., MX 28573 1352 2330 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1087 181 466 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 986 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 1496 521 31 RAYA-AS, EG 24863 1371 393 21 LINKdotNET-AS, EG 36903 1260 550 99 MT-MPLS, MA 36992 1251 1519 270 ETISALAT-MISR, EG 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 525 53 42 WANANCHI-, KE 37342 494 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 10895 3337 600 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7323 10574 2905 AMAZON-02, US 12479 6878 1730 144 UNI2-AS, ES 7545 5924 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4603 305 518 CABLEONE, US 20940 4103 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6878 6734 UNI2-AS, ES 7545 5924 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7323 4418 AMAZON-02, US 11492 4603 4085 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4103 3931 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3594 3574 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, 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 /12:294 /13:586 /14:1197 /15:2077 /16:13483 /17:8301 /18:13754 /19:24744 /20:43014 /21:50733 /22:107774 /23:95902 /24:533744 /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 5889 6878 UNI2-AS, ES 8151 4787 10895 Uninet S.A. de C.V., MX 11492 3510 4603 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3303 3494 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2783 3769 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2345 2488 UKRTELNET, UA 30036 2257 2597 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1893 2:1030 3:166 4:5 5:3936 6:116 7:6 8:1550 9:1 11:173 12:1622 13:331 14:2366 15:273 16:69 17:363 18:336 20:241 21:4 22:188 23:5950 24:2463 25:6 27:2669 29:19 31:2451 32:91 34:7 35:90 36:1894 37:4485 38:3618 39:754 40:159 41:3912 42:1168 43:2262 44:293 45:16223 46:4212 47:377 49:1701 50:1925 51:242 52:1491 54:389 55:846 56:8 57:78 58:1722 59:1110 60:991 61:2367 62:2524 63:1963 64:5609 65:2329 66:4824 67:2962 68:1318 69:4140 70:1302 71:678 72:2992 74:2641 75:1467 76:590 77:2243 78:1819 79:3145 80:2048 81:1657 82:1516 83:1219 84:1404 85:2945 86:729 87:1906 88:1163 89:3424 90:543 91:7586 92:2069 93:2544 94:3522 95:3845 96:1347 97:347 98:1167 99:737 100:78 101:1295 102:2356 103:30176 104:4539 105:466 106:886 107:2535 108:889 109:4336 110:2004 111:3266 112:2047 113:1486 114:1510 115:1987 116:1890 117:2484 118:2325 119:1843 120:1706 121:1019 122:2533 123:2099 124:1515 125:2117 128:1182 129:965 130:961 131:2007 132:812 133:379 134:1903 135:289 136:877 137:890 138:2532 139:1514 140:1129 141:1478 142:1377 143:1399 144:1190 145:348 146:1860 147:1533 148:2238 149:1817 150:877 151:1117 152:1950 153:469 154:3738 155:1421 156:1639 157:1302 158:1041 159:2178 160:2561 161:1366 162:3506 163:1427 164:1663 165:1667 166:799 167:1725 168:3763 169:875 170:4546 171:850 172:3452 173:3101 174:1024 175:1153 176:3564 177:4741 178:3541 179:2102 180:2368 181:3275 182:3208 183:1941 184:2355 185:19810 186:4575 187:3988 188:4034 189:3457 190:8959 191:1452 192:10980 193:8735 194:7133 195:5046 196:3030 197:2448 198:5959 199:6039 200:7545 201:5834 202:10140 203:10010 204:4558 205:3501 206:3798 207:3380 208:4080 209:4750 210:4117 211:2326 212:4012 213:3539 214:1092 215:53 216:6461 217:2613 218:1271 219:404 220:1785 221:922 222:653 223:1977 End of report