IPv4 R&E Routing Table Report 23:05 GMT Sun 07 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: 946158 Prefixes after maximum aggregation (per Origin AS): 362127 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465459 Number of IPv4 prefixes with a valid ROA: 484535 Number of IPv4 prefixes with an invalid ROA: 1201 Number of IPv4 prefixes with no ROA: 460422 Total ASes present in the Internet Routing Table: 75752 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65023 Origin ASes announcing only one prefix: 26669 Transit ASes present in the Internet Routing Table: 10729 Transit-only ASes present in the Internet Routing Table: 514 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 995 Number of 32-bit ASNs allocated by the RIRs: 44971 Number of 32-bit ASNs visible in the Routing Table: 36632 Prefixes from 32-bit ASNs in the Routing Table: 187723 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3024259072 Equivalent to 180 /8s, 66 /16s and 136 /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: 310914 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249672 Total APNIC prefixes after maximum aggregation: 73552 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241607 Unique aggregates announced from the APNIC address blocks: 101127 APNIC Region origin ASes present in the Internet Routing Table: 14136 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4282 APNIC Region transit ASes present in the Internet Routing Table: 1888 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9600 Number of APNIC addresses announced to Internet: 761071104 Equivalent to 45 /8s, 93 /16s and 6 /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: 276461 Total ARIN prefixes after maximum aggregation: 125067 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280994 Unique aggregates announced from the ARIN address blocks: 134773 ARIN Region origin ASes present in the Internet Routing Table: 19104 ARIN Prefixes per ASN: 14.71 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4923 Number of ARIN addresses announced to Internet: 1266503936 Equivalent to 75 /8s, 125 /16s and 81 /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: 265612 Total RIPE prefixes after maximum aggregation: 127507 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260453 Unique aggregates announced from the RIPE address blocks: 165201 RIPE Region origin ASes present in the Internet Routing Table: 28640 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3940 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11881 Number of RIPE addresses announced to Internet: 713498112 Equivalent to 42 /8s, 135 /16s and 30 /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: 121687 Total LACNIC prefixes after maximum aggregation: 29115 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119739 Unique aggregates announced from the LACNIC address blocks: 50103 LACNIC Region origin ASes present in the Internet Routing Table: 11123 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2447 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9014 Number of LACNIC addresses announced to Internet: 177172480 Equivalent to 10 /8s, 143 /16s and 112 /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: 31734 Total AfriNIC prefixes after maximum aggregation: 6220 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42830 Unique aggregates announced from the AfriNIC address blocks: 13813 AfriNIC Region origin ASes present in the Internet Routing Table: 1847 AfriNIC Prefixes per ASN: 23.19 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214 Number of AfriNIC addresses announced to Internet: 105716736 Equivalent to 6 /8s, 77 /16s and 28 /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 9833 8745 72 CHINAMOBILE-CN China Mobile Communication 7545 5653 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4229 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3643 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3263 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2823 862 399 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2199 420 210 TATACOMM-AS TATA Communications formerly 45090 2192 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 10098 11530 3633 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3697 8790 880 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3423 3019 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54899 2507 DNIC-AS-00749, US 16625 3000 1291 2167 AKAMAI-AS, US 7018 2913 23669 1828 ATT-INTERNET4, US 396982 2768 3611 416 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 7716 1708 145 UNI2-AS, ES 39891 4694 282 59 ALJAWWALSTC-AS, SA 20940 3804 3396 130 AKAMAI-ASN1, NL 9009 3595 306 1819 M247, RO 12389 2871 2292 861 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1774 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1704 123 1237 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1573 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 11868 3313 508 UNINET, MX 10620 3519 492 935 Telmex Colombia S.A., CO 13999 2551 356 685 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 781 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1091 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1062 97 366 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 1622 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1239 79 75 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 518 56 57 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 37054 433 115 8 Telecom-Malagasy, MG 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 11868 3313 508 UNINET, MX 16509 10098 11530 3633 AMAZON-02, US 9808 9833 8745 72 CHINAMOBILE-CN China Mobile Communication 12479 7716 1708 145 UNI2-AS, ES 7545 5653 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4694 282 59 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4229 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3961 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 9833 9761 CHINAMOBILE-CN China Mobile Communications Grou 12479 7716 7571 UNI2-AS, ES 16509 10098 6465 AMAZON-02, US 7545 5653 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4694 4635 ALJAWWALSTC-AS, SA 18403 4229 4206 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3961 3940 VIETEL-AS-AP Viettel Group, VN 20940 3804 3674 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 17054 EXPEDIENT, 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: 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /10:37 /11:92 /12:294 /13:571 /14:1167 /15:2055 /16:13186 /17:8142 /18:13608 /19:24336 /20:43087 /21:51198 /22:110684 /23:99209 /24:578454 /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 6800 7716 UNI2-AS, ES 8151 5938 11868 UNINET, MX 11492 3548 4641 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3376 4694 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3423 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2148 3519 Telmex Colombia S.A., CO 16509 2128 10098 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2315 2:1503 3:366 4:6 5:4365 6:162 7:6 8:1508 9:1 11:172 12:1438 13:357 14:2355 15:318 16:219 17:373 18:776 20:387 21:4 22:188 23:6872 24:2709 25:2 27:2602 29:19 31:2587 32:45 34:65 35:134 36:2344 37:4462 38:7999 39:900 40:147 41:4047 42:1989 43:2355 44:323 45:17331 46:4486 47:300 49:1963 50:1890 51:581 52:1577 54:315 55:925 56:8 57:214 58:2084 59:1190 60:1042 61:2635 62:2760 63:1877 64:5426 65:2308 66:4593 67:2995 68:1301 69:4052 70:1165 71:573 72:2874 74:2591 75:1552 76:621 77:2498 78:1862 79:1787 80:2193 81:2017 82:1640 83:1362 84:1676 85:3177 86:915 87:2027 88:1238 89:4183 90:685 91:8174 92:2338 93:2701 94:3718 95:4197 96:1277 97:317 98:1029 99:739 100:73 101:1163 102:3505 103:32227 104:4764 105:703 106:993 107:2475 108:1146 109:4032 110:2125 111:3249 112:2046 113:1815 114:1815 115:2072 116:1940 117:2661 118:2807 119:1979 120:1779 121:1300 122:2695 123:2280 124:1608 125:2839 126:32 128:1389 129:917 130:1164 131:1864 132:795 133:413 134:1730 135:319 136:1124 137:1053 138:2852 139:1521 140:1411 141:1375 142:1670 143:1557 144:1018 145:369 146:2083 147:1998 148:2525 149:2736 150:1036 151:1360 152:2221 153:520 154:6995 155:1490 156:2296 157:1867 158:1164 159:2306 160:2778 161:1692 162:3530 163:1695 164:1672 165:2140 166:1273 167:1815 168:4032 169:792 170:4958 171:1029 172:3879 173:3050 174:888 175:1238 176:3444 177:4741 178:3658 179:2202 180:2416 181:3788 182:3343 183:1975 184:2259 185:20867 186:4968 187:4388 188:4070 189:4221 190:9475 191:1483 192:11037 193:9145 194:7503 195:5305 196:3198 197:2627 198:5912 199:7959 200:8081 201:6312 202:10221 203:10249 204:4550 205:3626 206:4440 207:3488 208:4142 209:5004 210:4390 211:2529 212:4355 213:3579 214:1052 215:49 216:6750 217:3067 218:1294 219:415 220:1807 221:1037 222:687 223:2225 End of report