IPv4 R&E Routing Table Report 23:05 GMT Mon 08 Aug, 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: 890139 Prefixes after maximum aggregation (per Origin AS): 338581 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437635 Number of IPv4 prefixes with a valid ROA: 343850 Number of IPv4 prefixes with an invalid ROA: 1453 Number of IPv4 prefixes with no ROA: 544836 Total ASes present in the Internet Routing Table: 73323 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62920 Origin ASes announcing only one prefix: 25959 Transit ASes present in the Internet Routing Table: 10403 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 920 Number of instances of unregistered ASNs: 920 Number of 32-bit ASNs allocated by the RIRs: 39949 Number of 32-bit ASNs visible in the Routing Table: 33085 Prefixes from 32-bit ASNs in the Routing Table: 157485 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: 489 Number of addresses announced to Internet: 3070452736 Equivalent to 183 /8s, 3 /16s and 100 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299654 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229840 Total APNIC prefixes after maximum aggregation: 66480 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224947 Unique aggregates announced from the APNIC address blocks: 96224 APNIC Region origin ASes present in the Internet Routing Table: 12771 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3702 APNIC Region transit ASes present in the Internet Routing Table: 1750 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8064 Number of APNIC addresses announced to Internet: 772558848 Equivalent to 46 /8s, 12 /16s and 80 /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: 263107 Total ARIN prefixes after maximum aggregation: 120545 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263371 Unique aggregates announced from the ARIN address blocks: 127332 ARIN Region origin ASes present in the Internet Routing Table: 18992 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6937 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4562 Number of ARIN addresses announced to Internet: 1295890688 Equivalent to 77 /8s, 61 /16s and 185 /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: 252232 Total RIPE prefixes after maximum aggregation: 117710 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249496 Unique aggregates announced from the RIPE address blocks: 152986 RIPE Region origin ASes present in the Internet Routing Table: 28178 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12078 RIPE Region transit ASes present in the Internet Routing Table: 4033 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: 10780 Number of RIPE addresses announced to Internet: 717664768 Equivalent to 42 /8s, 198 /16s and 178 /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: 116147 Total LACNIC prefixes after maximum aggregation: 27573 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115830 Unique aggregates announced from the LACNIC address blocks: 48835 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2248 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: 8688 Number of LACNIC addresses announced to Internet: 176327424 Equivalent to 10 /8s, 130 /16s and 139 /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: 27893 Total AfriNIC prefixes after maximum aggregation: 5567 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 36006 Unique aggregates announced from the AfriNIC address blocks: 11843 AfriNIC Region origin ASes present in the Internet Routing Table: 1659 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 577 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 991 Number of AfriNIC addresses announced to Internet: 107729152 Equivalent to 6 /8s, 107 /16s and 209 /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 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3597 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3511 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 594 KIXS-AS-KR Korea Telecom, KR 24560 2157 851 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 216 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 6821 10400 2712 AMAZON-02, US 11492 4541 301 589 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3838 3070 361 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3468 1787 2505 AKAMAI-AS, US 6327 3447 1319 62 SHAW, CA 749 3020 50730 2278 DNIC-AS-00749, US 30036 2603 372 277 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 361 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 CENTURYLINK-US-LEGACY-QWEST, 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 6873 1730 144 UNI2-AS, ES 20940 4047 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2602 255 1342 M247, GB 34984 2246 358 635 TELLCOM-AS, TR 58224 1798 938 560 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 10814 3398 562 Uninet S.A. de C.V., MX 10620 3483 515 780 Telmex Colombia S.A., CO 11830 2410 369 64 Instituto Costarricense de Electricidad 13999 1947 318 518 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1272 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 21 Telefonica del Peru S.A.A., PE 11664 1041 175 458 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1542 393 21 LINKdotNET-AS, EG 24835 1517 495 28 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 972 66 53 ORANGE-COTE-IVOIRE, CI 36935 638 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 16 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 10814 3398 562 Uninet S.A. de C.V., MX 9808 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 144 UNI2-AS, ES 16509 6821 10400 2712 AMAZON-02, US 7545 5923 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4541 301 589 CABLEONE, US 20940 4047 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9014 8967 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5923 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6821 4109 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3996 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4541 3952 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4047 3853 AKAMAI-ASN1, NL 7552 3597 3578 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /10:39 /11:101 /12:303 /13:592 /14:1203 /15:2098 /16:13493 /17:8251 /18:13790 /19:24723 /20:43077 /21:50753 /22:107513 /23:95354 /24:528814 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5861 6873 UNI2-AS, ES 8151 4538 10814 Uninet S.A. de C.V., MX 8551 3459 3996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3456 4541 CABLEONE, US 6327 3259 3447 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3838 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2260 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1959 2:1019 3:157 4:5 5:3833 6:111 7:6 8:1544 9:1 11:172 12:1642 13:339 14:2330 15:241 16:44 17:383 18:186 20:242 21:4 22:188 23:5852 24:2387 25:6 27:2612 29:19 31:2413 32:92 34:7 35:87 36:1845 37:4442 38:3361 39:720 40:152 41:3885 42:1176 43:2195 44:287 45:16101 46:4125 47:301 49:1696 50:1943 51:237 52:1458 54:384 55:832 56:8 57:59 58:1718 59:1111 60:964 61:2278 62:2537 63:1929 64:5556 65:2368 66:4831 67:2978 68:1192 69:4138 70:1313 71:679 72:3027 74:2628 75:1398 76:577 77:2242 78:1892 79:3130 80:2015 81:1651 82:1492 83:1206 84:1354 85:2951 86:742 87:1906 88:1191 89:3380 90:546 91:7619 92:2036 93:2555 94:3511 95:3877 96:1287 97:350 98:1026 99:749 100:77 101:1291 102:2224 103:29490 104:4536 105:465 106:879 107:2544 108:859 109:4328 110:1997 111:3273 112:2037 113:1472 114:1475 115:1976 116:1882 117:2437 118:2301 119:1870 120:1753 121:1022 122:2511 123:2070 124:1529 125:2031 128:1187 129:1040 130:968 131:2054 132:793 133:378 134:1937 135:298 136:891 137:872 138:2499 139:1493 140:931 141:1444 142:1317 143:1397 144:1202 145:341 146:1833 147:1511 148:2208 149:1758 150:860 151:1069 152:1865 153:465 154:3691 155:1445 156:1698 157:1278 158:1037 159:2215 160:2498 161:1310 162:3486 163:1343 164:1619 165:1642 166:760 167:1771 168:3801 169:879 170:4528 171:838 172:3303 173:3114 174:1033 175:1153 176:3620 177:4799 178:3536 179:2199 180:2364 181:3203 182:3190 183:1935 184:2382 185:19602 186:4523 187:3848 188:3987 189:3394 190:8984 191:1452 192:10947 193:8665 194:7058 195:5027 196:3029 197:2411 198:5953 199:6027 200:7516 201:5836 202:10123 203:10005 204:4500 205:3438 206:3684 207:3386 208:4029 209:4676 210:4164 211:2273 212:4021 213:3475 214:1092 215:65 216:6383 217:2640 218:1263 219:407 220:1734 221:949 222:654 223:1966 End of report