IPv4 R&E Routing Table Report 23:05 GMT Sat 20 Jul, 2024 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: 939333 Prefixes after maximum aggregation (per Origin AS): 360376 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 462308 Number of IPv4 prefixes with a valid ROA: 479942 Number of IPv4 prefixes with an invalid ROA: 1072 Number of IPv4 prefixes with no ROA: 458319 Total ASes present in the Internet Routing Table: 74473 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 64006 Origin ASes announcing only one prefix: 26411 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 45022 Number of 32-bit ASNs visible in the Routing Table: 35512 Prefixes from 32-bit ASNs in the Routing Table: 184673 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3023799296 Equivalent to 180 /8s, 59 /16s and 132 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310612 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242811 Total APNIC prefixes after maximum aggregation: 71681 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 234754 Unique aggregates announced from the APNIC address blocks: 97985 APNIC Region origin ASes present in the Internet Routing Table: 12866 APNIC Prefixes per ASN: 18.25 APNIC Region origin ASes announcing only one prefix: 4044 APNIC Region transit ASes present in the Internet Routing Table: 1755 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8464 Number of APNIC addresses announced to Internet: 759393536 Equivalent to 45 /8s, 67 /16s and 109 /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, 131072-153913 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: 276875 Total ARIN prefixes after maximum aggregation: 125148 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281353 Unique aggregates announced from the ARIN address blocks: 134710 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1892 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4933 Number of ARIN addresses announced to Internet: 1266996224 Equivalent to 75 /8s, 132 /16s and 212 /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, 393216-402332 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: 265414 Total RIPE prefixes after maximum aggregation: 127572 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260699 Unique aggregates announced from the RIPE address blocks: 165408 RIPE Region origin ASes present in the Internet Routing Table: 28649 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3892 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11882 Number of RIPE addresses announced to Internet: 714895872 Equivalent to 42 /8s, 156 /16s and 114 /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 196608-216475 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: 121522 Total LACNIC prefixes after maximum aggregation: 29045 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119483 Unique aggregates announced from the LACNIC address blocks: 50233 LACNIC Region origin ASes present in the Internet Routing Table: 11123 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2427 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: 9014 Number of LACNIC addresses announced to Internet: 177079552 Equivalent to 10 /8s, 142 /16s and 5 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31719 Total AfriNIC prefixes after maximum aggregation: 6267 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 42495 Unique aggregates announced from the AfriNIC address blocks: 13515 AfriNIC Region origin ASes present in the Internet Routing Table: 1856 AfriNIC Prefixes per ASN: 22.90 AfriNIC Region origin ASes announcing only one prefix: 665 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219 Number of AfriNIC addresses announced to Internet: 105131776 Equivalent to 6 /8s, 68 /16s and 47 /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 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5655 776 666 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4174 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 433 199 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10184 11547 3630 AMAZON-02, US 11492 4630 307 558 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3816 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3252 54899 2504 DNIC-AS-00749, US 16625 3008 1296 2171 AKAMAI-AS, US 7018 2955 23691 1852 ATT-INTERNET4, US 396982 2760 3594 409 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 7692 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3808 3396 129 AKAMAI-ASN1, NL 9009 3584 305 1828 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1774 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1713 123 1252 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1574 1852 14 TE-AS TE-AS, EG 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 11870 3306 508 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2544 354 679 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 783 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1124 314 478 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 6147 1079 369 22 Telefonica del Peru S.A.A., PE 22884 1061 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1613 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1376 1520 278 ETISALAT-MISR, EG 29571 1269 80 74 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 519 56 58 WANANCHI-, KE 37342 512 32 1 MOVITEL, MZ 36914 495 82 3 KENET-AS, KE 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 11870 3306 508 UNINET, MX 16509 10184 11547 3630 AMAZON-02, US 9808 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7692 1708 145 UNI2-AS, ES 7545 5655 776 666 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4630 307 558 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4174 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9844 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7692 7547 UNI2-AS, ES 16509 10184 6554 AMAZON-02, US 7545 5655 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4174 4151 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4630 4072 CABLEONE, US 7552 3957 3936 VIETEL-AS-AP Viettel Group, VN 20940 3808 3679 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /9:16 /10:37 /11:92 /12:294 /13:570 /14:1165 /15:2052 /16:13164 /17:8143 /18:13581 /19:24312 /20:43103 /21:51177 /22:110422 /23:98739 /24:572442 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6784 7692 UNI2-AS, ES 8151 5928 11870 UNINET, MX 11492 3539 4630 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2508 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2140 10184 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2285 2:1500 3:378 4:6 5:4387 6:149 7:6 8:1511 9:1 11:172 12:1438 13:363 14:2324 15:322 16:219 17:365 18:785 20:384 21:4 22:188 23:6880 24:2693 25:2 27:2478 29:19 31:2586 32:44 34:65 35:133 36:2309 37:4421 38:8113 39:911 40:149 41:4084 42:1984 43:2291 44:330 45:17223 46:4537 47:300 49:1935 50:1861 51:580 52:1575 54:318 55:922 56:8 57:214 58:2117 59:1153 60:1050 61:2649 62:2748 63:1881 64:5461 65:2288 66:4622 67:3004 68:1309 69:4053 70:1158 71:558 72:2855 74:2599 75:1552 76:623 77:2489 78:1869 79:1779 80:2176 81:2012 82:1650 83:1361 84:1691 85:3177 86:930 87:2024 88:1237 89:4201 90:692 91:8161 92:2337 93:2721 94:3731 95:4202 96:1279 97:317 98:1028 99:739 100:73 101:1153 102:3336 103:28962 104:4748 105:698 106:992 107:2494 108:1152 109:4047 110:2121 111:3190 112:2046 113:1772 114:1625 115:1872 116:1872 117:2631 118:2594 119:1861 120:1746 121:1292 122:2669 123:2154 124:1590 125:2833 126:32 128:1375 129:924 130:1171 131:1874 132:802 133:417 134:1725 135:319 136:1121 137:1042 138:2858 139:1524 140:1416 141:1375 142:1668 143:1629 144:1004 145:358 146:2093 147:2004 148:2547 149:2761 150:1028 151:1336 152:2211 153:522 154:6821 155:1428 156:2184 157:1824 158:1176 159:2429 160:2812 161:1698 162:3514 163:1679 164:1673 165:2131 166:1242 167:1818 168:4054 169:800 170:4924 171:1030 172:3876 173:3057 174:896 175:1190 176:3451 177:4634 178:3597 179:2204 180:2310 181:3791 182:3198 183:1977 184:2253 185:20880 186:4962 187:4365 188:4060 189:4156 190:9434 191:1507 192:11013 193:9165 194:7475 195:5296 196:3211 197:2726 198:5907 199:8004 200:8011 201:6233 202:9913 203:10026 204:4566 205:3634 206:4463 207:3490 208:4146 209:4984 210:4387 211:2533 212:4366 213:3593 214:1068 215:49 216:6720 217:3063 218:1326 219:429 220:1793 221:1029 222:692 223:2202 End of report