IPv4 R&E Routing Table Report 23:05 GMT Sat 03 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: 900934 Prefixes after maximum aggregation (per Origin AS): 342695 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443020 Number of IPv4 prefixes with a valid ROA: 364834 Number of IPv4 prefixes with an invalid ROA: 1577 Number of IPv4 prefixes with no ROA: 534523 Total ASes present in the Internet Routing Table: 73716 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63363 Origin ASes announcing only one prefix: 26045 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 411 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 40783 Number of 32-bit ASNs visible in the Routing Table: 33729 Prefixes from 32-bit ASNs in the Routing Table: 164270 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: 509 Number of addresses announced to Internet: 3062032640 Equivalent to 182 /8s, 130 /16s and 233 /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: 302901 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233466 Total APNIC prefixes after maximum aggregation: 67605 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228275 Unique aggregates announced from the APNIC address blocks: 97304 APNIC Region origin ASes present in the Internet Routing Table: 13057 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3789 APNIC Region transit ASes present in the Internet Routing Table: 1756 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: 8368 Number of APNIC addresses announced to Internet: 773167616 Equivalent to 46 /8s, 21 /16s and 154 /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: 266131 Total ARIN prefixes after maximum aggregation: 121108 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267697 Unique aggregates announced from the ARIN address blocks: 129338 ARIN Region origin ASes present in the Internet Routing Table: 19011 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1872 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: 1288434688 Equivalent to 76 /8s, 203 /16s and 244 /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: 254435 Total RIPE prefixes after maximum aggregation: 119443 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251163 Unique aggregates announced from the RIPE address blocks: 155072 RIPE Region origin ASes present in the Internet Routing Table: 28164 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12008 RIPE Region transit ASes present in the Internet Routing Table: 3977 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: 10900 Number of RIPE addresses announced to Internet: 716228608 Equivalent to 42 /8s, 176 /16s and 200 /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: 117008 Total LACNIC prefixes after maximum aggregation: 28149 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116343 Unique aggregates announced from the LACNIC address blocks: 48869 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8758 Number of LACNIC addresses announced to Internet: 175838720 Equivalent to 10 /8s, 123 /16s and 22 /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: 28901 Total AfriNIC prefixes after maximum aggregation: 5645 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36947 Unique aggregates announced from the AfriNIC address blocks: 12018 AfriNIC Region origin ASes present in the Internet Routing Table: 1696 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 585 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: 1033 Number of AfriNIC addresses announced to Internet: 108067072 Equivalent to 6 /8s, 112 /16s and 249 /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 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5955 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3617 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2560 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2308 849 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2279 11248 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 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 7692 10625 2902 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3698 3044 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3505 1828 2528 AKAMAI-AS, US 749 3063 50660 2330 DNIC-AS-00749, US 30036 2583 369 338 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2580 24059 1551 ATT-INTERNET4, US 396982 2565 3482 360 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 6962 1730 151 UNI2-AS, ES 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2648 252 1360 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1801 937 531 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 10798 3336 597 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2131 350 560 Mega Cable, S.A. de C.V., MX 28573 1329 2327 261 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 6147 1154 369 22 Telefonica del Peru S.A.A., PE 11664 1134 184 474 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 54 45 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 10798 3336 597 Uninet S.A. de C.V., MX 9808 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7692 10625 2902 AMAZON-02, US 12479 6962 1730 151 UNI2-AS, ES 7545 5955 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 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 9128 9081 CHINAMOBILE-CN China Mobile Communications Grou 12479 6962 6811 UNI2-AS, ES 7545 5955 5261 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7692 4790 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3979 3941 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4071 3897 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 7552 3617 3596 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 /13:584 /14:1195 /15:2080 /16:13472 /17:8247 /18:13780 /19:24821 /20:43035 /21:50925 /22:108783 /23:96308 /24:537235 /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 5995 6962 UNI2-AS, ES 8151 4788 10798 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3443 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2730 3698 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2241 2583 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1851 2:1018 3:168 4:5 5:4065 6:118 7:5 8:1542 9:1 11:173 12:1616 13:380 14:2369 15:286 16:75 17:367 18:386 20:240 21:4 22:188 23:6004 24:2442 25:4 27:2703 29:19 31:2483 32:104 34:8 35:94 36:1835 37:4571 38:3859 39:772 40:144 41:3967 42:1183 43:2284 44:305 45:16349 46:4157 47:370 49:1702 50:1927 51:244 52:1517 54:397 55:843 56:8 57:79 58:1726 59:1104 60:1006 61:2421 62:2578 63:1949 64:5623 65:2329 66:4832 67:2986 68:1375 69:4129 70:1288 71:679 72:2985 74:2630 75:1463 76:596 77:2248 78:1821 79:3158 80:2051 81:1678 82:1500 83:1225 84:1486 85:2969 86:751 87:1932 88:1162 89:3494 90:578 91:7613 92:1993 93:2560 94:3542 95:3879 96:1315 97:345 98:1169 99:740 100:69 101:1282 102:2495 103:30463 104:4565 105:482 106:826 107:2544 108:909 109:4339 110:2014 111:3259 112:2038 113:1507 114:1588 115:2011 116:1881 117:2468 118:2334 119:1882 120:1691 121:1043 122:2572 123:2123 124:1535 125:2140 128:1205 129:935 130:962 131:1998 132:829 133:400 134:1902 135:294 136:879 137:917 138:2582 139:1520 140:1035 141:1481 142:1409 143:1415 144:1198 145:354 146:1882 147:1503 148:2224 149:1842 150:865 151:1144 152:1961 153:455 154:3777 155:1409 156:1632 157:1293 158:1037 159:2239 160:2570 161:1427 162:3519 163:1445 164:1669 165:1641 166:815 167:1746 168:3832 169:913 170:4562 171:868 172:3515 173:3102 174:1033 175:1157 176:3618 177:4774 178:3552 179:2146 180:2393 181:3351 182:3222 183:1937 184:2364 185:19961 186:4620 187:3925 188:4062 189:3423 190:9000 191:1448 192:10962 193:8783 194:7203 195:5075 196:3084 197:2438 198:5949 199:6084 200:7618 201:5839 202:10204 203:10046 204:4603 205:3497 206:3747 207:3348 208:4104 209:4789 210:4156 211:2390 212:4022 213:3453 214:1100 215:57 216:6583 217:2624 218:1264 219:410 220:1797 221:952 222:666 223:2001 End of report