IPv4 R&E Routing Table Report 23:05 GMT Sat 15 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: 896560 Prefixes after maximum aggregation (per Origin AS): 340878 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439995 Number of IPv4 prefixes with a valid ROA: 354959 Number of IPv4 prefixes with an invalid ROA: 1748 Number of IPv4 prefixes with no ROA: 539853 Total ASes present in the Internet Routing Table: 73560 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63206 Origin ASes announcing only one prefix: 25986 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 402 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: 1095 Number of instances of unregistered ASNs: 1098 Number of 32-bit ASNs allocated by the RIRs: 40396 Number of 32-bit ASNs visible in the Routing Table: 33461 Prefixes from 32-bit ASNs in the Routing Table: 161146 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 544 Number of addresses announced to Internet: 3063600640 Equivalent to 182 /8s, 154 /16s and 214 /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: 301417 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231938 Total APNIC prefixes after maximum aggregation: 67194 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226761 Unique aggregates announced from the APNIC address blocks: 96567 APNIC Region origin ASes present in the Internet Routing Table: 12950 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3740 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: 8249 Number of APNIC addresses announced to Internet: 773335552 Equivalent to 46 /8s, 24 /16s and 42 /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: 265172 Total ARIN prefixes after maximum aggregation: 120742 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266346 Unique aggregates announced from the ARIN address blocks: 128581 ARIN Region origin ASes present in the Internet Routing Table: 18983 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: 1869 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: 4624 Number of ARIN addresses announced to Internet: 1289652736 Equivalent to 76 /8s, 222 /16s and 138 /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: 253464 Total RIPE prefixes after maximum aggregation: 118745 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250357 Unique aggregates announced from the RIPE address blocks: 154018 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: 11999 RIPE Region transit ASes present in the Internet Routing Table: 3994 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: 10829 Number of RIPE addresses announced to Internet: 716509696 Equivalent to 42 /8s, 181 /16s and 18 /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: 116174 Total LACNIC prefixes after maximum aggregation: 27813 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115744 Unique aggregates announced from the LACNIC address blocks: 48344 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8738 Number of LACNIC addresses announced to Internet: 175923712 Equivalent to 10 /8s, 124 /16s and 98 /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: 28717 Total AfriNIC prefixes after maximum aggregation: 5574 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36808 Unique aggregates announced from the AfriNIC address blocks: 12043 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1021 Number of AfriNIC addresses announced to Internet: 107875584 Equivalent to 6 /8s, 110 /16s and 13 /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 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3523 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3383 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2470 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2237 852 412 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 7355 10581 2884 AMAZON-02, US 11492 4603 305 518 CABLEONE, US 7155 3898 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 3493 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2601 368 251 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2579 24151 1582 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 6886 1730 144 UNI2-AS, ES 20940 4100 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 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 2243 357 616 TELLCOM-AS, TR 58224 1787 933 547 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 10890 3337 600 Uninet S.A. de C.V., MX 10620 3470 510 844 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2058 335 529 Mega Cable, S.A. de C.V., MX 28573 1350 2328 264 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 1089 181 464 Techtel LMDS Comunicaciones Interactiva 6147 1085 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 24863 1569 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 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 10890 3337 600 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7355 10581 2884 AMAZON-02, US 12479 6886 1730 144 UNI2-AS, ES 7545 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4603 305 518 CABLEONE, US 20940 4100 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 6886 6742 UNI2-AS, ES 7545 5928 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7355 4471 AMAZON-02, US 11492 4603 4085 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3992 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4100 3928 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3592 3572 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 /16:13474 /17:8302 /18:13826 /19:24808 /20:43049 /21:50823 /22:108096 /23:95963 /24:533891 /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 5896 6886 UNI2-AS, ES 8151 4781 10890 Uninet S.A. de C.V., MX 11492 3510 4603 CABLEONE, US 8551 3456 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3302 3493 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2783 3769 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2345 2488 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1895 2:1030 3:166 4:5 5:3941 6:115 7:6 8:1552 9:1 11:173 12:1623 13:339 14:2366 15:270 16:69 17:362 18:337 20:241 21:4 22:188 23:5952 24:2458 25:6 27:2662 29:19 31:2447 32:91 34:7 35:90 36:1894 37:4484 38:3622 39:755 40:159 41:3951 42:1168 43:2268 44:293 45:16205 46:4196 47:377 49:1704 50:1927 51:242 52:1490 54:388 55:846 56:8 57:78 58:1721 59:1109 60:991 61:2365 62:2539 63:1959 64:5602 65:2314 66:4829 67:2959 68:1318 69:4158 70:1301 71:678 72:2993 74:2642 75:1474 76:592 77:2234 78:1823 79:3135 80:2040 81:1666 82:1531 83:1219 84:1408 85:2949 86:726 87:1916 88:1164 89:3426 90:545 91:7593 92:2057 93:2542 94:3518 95:3840 96:1347 97:347 98:1167 99:737 100:78 101:1295 102:2358 103:30174 104:4540 105:474 106:886 107:2531 108:891 109:4339 110:2003 111:3273 112:2044 113:1485 114:1512 115:1989 116:1890 117:2484 118:2325 119:1842 120:1706 121:1012 122:2536 123:2099 124:1514 125:2117 128:1182 129:965 130:959 131:2008 132:812 133:377 134:1902 135:290 136:879 137:886 138:2533 139:1516 140:1123 141:1480 142:1377 143:1393 144:1197 145:348 146:1859 147:1523 148:2239 149:1815 150:878 151:1119 152:1954 153:469 154:3834 155:1421 156:1691 157:1298 158:1040 159:2176 160:2561 161:1367 162:3507 163:1417 164:1660 165:1666 166:804 167:1725 168:3759 169:877 170:4537 171:850 172:3456 173:3103 174:1025 175:1152 176:3567 177:4722 178:3548 179:2093 180:2367 181:3263 182:3208 183:1940 184:2355 185:19830 186:4566 187:3966 188:4038 189:3450 190:8968 191:1448 192:10981 193:8732 194:7136 195:5049 196:3057 197:2452 198:5956 199:6039 200:7537 201:5841 202:10136 203:10008 204:4554 205:3479 206:3816 207:3381 208:4080 209:4749 210:4118 211:2323 212:4015 213:3550 214:1090 215:53 216:6453 217:2619 218:1271 219:404 220:1784 221:922 222:652 223:1975 End of report