IPv4 R&E Routing Table Report 23:05 GMT Fri 24 May, 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: 944292 Prefixes after maximum aggregation (per Origin AS): 360784 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 462462 Number of IPv4 prefixes with a valid ROA: 475596 Number of IPv4 prefixes with an invalid ROA: 1104 Number of IPv4 prefixes with no ROA: 467592 Total ASes present in the Internet Routing Table: 75648 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65046 Origin ASes announcing only one prefix: 26671 Transit ASes present in the Internet Routing Table: 10602 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1155 Number of instances of unregistered ASNs: 1157 Number of 32-bit ASNs allocated by the RIRs: 44555 Number of 32-bit ASNs visible in the Routing Table: 36409 Prefixes from 32-bit ASNs in the Routing Table: 186107 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 761 Number of addresses announced to Internet: 3027527680 Equivalent to 180 /8s, 116 /16s and 104 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 312014 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248960 Total APNIC prefixes after maximum aggregation: 73253 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241208 Unique aggregates announced from the APNIC address blocks: 101071 APNIC Region origin ASes present in the Internet Routing Table: 14069 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4290 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9522 Number of APNIC addresses announced to Internet: 761101824 Equivalent to 45 /8s, 93 /16s and 126 /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: 275269 Total ARIN prefixes after maximum aggregation: 124565 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279931 Unique aggregates announced from the ARIN address blocks: 133702 ARIN Region origin ASes present in the Internet Routing Table: 19112 ARIN Prefixes per ASN: 14.65 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1925 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4903 Number of ARIN addresses announced to Internet: 1267692288 Equivalent to 75 /8s, 143 /16s and 115 /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: 266208 Total RIPE prefixes after maximum aggregation: 127114 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260863 Unique aggregates announced from the RIPE address blocks: 164220 RIPE Region origin ASes present in the Internet Routing Table: 28624 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11796 Number of RIPE addresses announced to Internet: 714033920 Equivalent to 42 /8s, 143 /16s and 75 /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: 121414 Total LACNIC prefixes after maximum aggregation: 28989 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119628 Unique aggregates announced from the LACNIC address blocks: 49786 LACNIC Region origin ASes present in the Internet Routing Table: 11082 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2397 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8978 Number of LACNIC addresses announced to Internet: 177019648 Equivalent to 10 /8s, 141 /16s and 27 /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: 31286 Total AfriNIC prefixes after maximum aggregation: 6168 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 41901 Unique aggregates announced from the AfriNIC address blocks: 13179 AfriNIC Region origin ASes present in the Internet Routing Table: 1841 AfriNIC Prefixes per ASN: 22.76 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 107233024 Equivalent to 6 /8s, 100 /16s and 63 /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 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5641 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4431 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3929 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3749 509 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3640 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2794 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2195 434 199 TATACOMM-AS TATA Communications formerl 45090 2153 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 9948 11382 3531 AMAZON-02, US 11492 4623 307 591 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3519 8782 865 COGENT-174, US 22773 3476 3026 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3223 54904 2475 DNIC-AS-00749, US 16625 3041 1303 2195 AKAMAI-AS, US 7018 2848 23661 1799 ATT-INTERNET4, US 367 2767 3397 1289 DNIC-ASBLK-00306-00371, 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 7760 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3801 3396 129 AKAMAI-ASN1, NL 9009 3498 299 1741 M247, RO 12389 2917 2295 872 ROSTELECOM-AS, RU 8551 2638 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 362 581 TELLCOM-AS, TR 212238 1622 119 1186 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1551 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 12179 3308 499 UNINET, MX 10620 3509 492 941 Telmex Colombia S.A., CO 13999 2544 355 665 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1350 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1188 177 437 Techtel LMDS Comunicaciones Interactiva 6503 1126 314 479 Axtel, S.A.B. de C.V., MX 6147 1084 369 22 Telefonica del Peru S.A.A., PE 26615 1076 2503 53 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 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1378 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1208 77 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 527 56 56 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 37342 467 32 1 MOVITEL, MZ 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 12179 3308 499 UNINET, MX 16509 9948 11382 3531 AMAZON-02, US 9808 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7760 1708 145 UNI2-AS, ES 7545 5641 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4623 307 591 CABLEONE, US 18403 4431 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3929 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 9830 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7760 7615 UNI2-AS, ES 16509 9948 6417 AMAZON-02, US 7545 5641 4966 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4431 4408 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4623 4032 CABLEONE, US 7552 3929 3908 VIETEL-AS-AP Viettel Group, VN 20940 3801 3672 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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: 3491 BTN-ASN, 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:36 /11:93 /12:298 /13:573 /14:1169 /15:2050 /16:13219 /17:8142 /18:13602 /19:24408 /20:43075 /21:51080 /22:110640 /23:99024 /24:576845 /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 6854 7760 UNI2-AS, ES 8151 6212 12179 UNINET, MX 11492 3532 4623 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2578 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3509 Telmex Colombia S.A., CO 16509 2124 9948 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1516 3:346 4:6 5:4566 6:162 7:6 8:1507 9:1 11:172 12:1464 13:358 14:2367 15:318 16:211 17:366 18:767 20:378 21:4 22:188 23:6744 24:2719 25:2 27:2584 29:19 31:2572 32:45 34:63 35:133 36:2303 37:4484 38:7547 39:896 40:125 41:4099 42:2148 43:2343 44:317 45:17061 46:4491 47:306 49:1942 50:1905 51:579 52:1586 54:313 55:878 56:5 57:176 58:2015 59:1193 60:1027 61:2625 62:2686 63:1887 64:5518 65:2347 66:4670 67:2993 68:1312 69:4104 70:1183 71:584 72:2870 74:2580 75:1551 76:614 77:2481 78:1852 79:2517 80:2195 81:2014 82:1615 83:1339 84:1661 85:3158 86:904 87:2019 88:1250 89:4117 90:685 91:8127 92:2308 93:2703 94:3715 95:4190 96:1269 97:315 98:1035 99:740 100:73 101:1171 102:3391 103:32544 104:4770 105:677 106:948 107:2762 108:1142 109:4178 110:2146 111:3255 112:2058 113:1767 114:1787 115:2061 116:1875 117:2651 118:2831 119:1973 120:1775 121:1279 122:2679 123:2199 124:1616 125:2862 126:32 128:1417 129:924 130:1141 131:1830 132:802 133:412 134:1738 135:322 136:1053 137:1040 138:2817 139:1533 140:1373 141:1350 142:1571 143:1550 144:1012 145:364 146:2062 147:1935 148:2515 149:2737 150:1001 151:1337 152:2150 153:524 154:6607 155:1454 156:2281 157:1795 158:1151 159:2329 160:2654 161:1692 162:3546 163:1696 164:1654 165:2146 166:1174 167:1791 168:3938 169:799 170:4882 171:1029 172:3847 173:3039 174:890 175:1222 176:3683 177:4754 178:3709 179:2205 180:2367 181:3726 182:3397 183:2004 184:2262 185:20784 186:4975 187:4485 188:4089 189:4138 190:9416 191:1552 192:10985 193:9102 194:7497 195:5299 196:3184 197:2582 198:5913 199:7851 200:7995 201:6216 202:10197 203:10147 204:4571 205:3609 206:4448 207:3480 208:4143 209:4998 210:4394 211:2524 212:4321 213:3441 214:1068 215:49 216:6826 217:3004 218:1294 219:415 220:1818 221:1033 222:713 223:2209 End of report