IPv4 R&E Routing Table Report 23:05 GMT Wed 24 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: 946368 Prefixes after maximum aggregation (per Origin AS): 362869 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465894 Number of IPv4 prefixes with a valid ROA: 487698 Number of IPv4 prefixes with an invalid ROA: 1200 Number of IPv4 prefixes with no ROA: 457470 Total ASes present in the Internet Routing Table: 75788 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65183 Origin ASes announcing only one prefix: 26684 Transit ASes present in the Internet Routing Table: 10605 Transit-only ASes present in the Internet Routing Table: 500 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 982 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 45032 Number of 32-bit ASNs visible in the Routing Table: 36704 Prefixes from 32-bit ASNs in the Routing Table: 188823 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: 561 Number of addresses announced to Internet: 3025481216 Equivalent to 180 /8s, 85 /16s and 46 /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: 310702 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249471 Total APNIC prefixes after maximum aggregation: 73991 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241344 Unique aggregates announced from the APNIC address blocks: 101638 APNIC Region origin ASes present in the Internet Routing Table: 14180 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4309 APNIC Region transit ASes present in the Internet Routing Table: 1875 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9647 Number of APNIC addresses announced to Internet: 761136384 Equivalent to 45 /8s, 94 /16s and 5 /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: 276843 Total ARIN prefixes after maximum aggregation: 125170 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281328 Unique aggregates announced from the ARIN address blocks: 134742 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4937 Number of ARIN addresses announced to Internet: 1266988800 Equivalent to 75 /8s, 132 /16s and 183 /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: 265807 Total RIPE prefixes after maximum aggregation: 127708 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260878 Unique aggregates announced from the RIPE address blocks: 165429 RIPE Region origin ASes present in the Internet Routing Table: 28648 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11880 Number of RIPE addresses announced to Internet: 714616832 Equivalent to 42 /8s, 152 /16s and 48 /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: 121640 Total LACNIC prefixes after maximum aggregation: 29084 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119601 Unique aggregates announced from the LACNIC address blocks: 50013 LACNIC Region origin ASes present in the Internet Routing Table: 11127 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2434 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: 9018 Number of LACNIC addresses announced to Internet: 177216768 Equivalent to 10 /8s, 144 /16s and 29 /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: 31625 Total AfriNIC prefixes after maximum aggregation: 6262 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 42656 Unique aggregates announced from the AfriNIC address blocks: 13605 AfriNIC Region origin ASes present in the Internet Routing Table: 1859 AfriNIC Prefixes per ASN: 22.95 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 353 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: 1222 Number of AfriNIC addresses announced to Internet: 105217280 Equivalent to 6 /8s, 69 /16s and 125 /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 9836 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4208 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3787 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3241 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2825 861 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 200 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 10188 11551 3655 AMAZON-02, US 11492 4633 307 543 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3857 8790 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3252 54899 2504 DNIC-AS-00749, US 16625 3008 1298 2172 AKAMAI-AS, US 7018 2927 23688 1833 ATT-INTERNET4, US 396982 2758 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 7708 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3804 3396 129 AKAMAI-ASN1, NL 9009 3586 306 1832 M247, RO 12389 2865 2291 859 ROSTELECOM-AS, RU 34984 2355 362 575 TELLCOM-AS, TR 8551 1775 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1718 124 1257 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 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 11875 3306 508 UNINET, MX 10620 3523 493 939 Telmex Colombia S.A., CO 13999 2541 355 681 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 1326 783 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1062 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 1569 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1278 81 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 536 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 24757 425 73 5 EthioNet-AS, ET 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 11875 3306 508 UNINET, MX 16509 10188 11551 3655 AMAZON-02, US 9808 9836 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7708 1708 145 UNI2-AS, ES 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4633 307 543 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4208 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 9836 9762 CHINAMOBILE-CN China Mobile Communications Grou 12479 7708 7563 UNI2-AS, ES 16509 10188 6533 AMAZON-02, US 7545 5659 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4208 4185 FPT-AS-AP FPT Telecom Company, VN 11492 4633 4090 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3957 3936 VIETEL-AS-AP Viettel Group, VN 20940 3804 3675 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 /14:1162 /15:2051 /16:13150 /17:8151 /18:13586 /19:24338 /20:43148 /21:51265 /22:110671 /23:99191 /24:578622 /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 6799 7708 UNI2-AS, ES 8151 5933 11875 UNINET, MX 11492 3542 4633 CABLEONE, US 6327 3392 3595 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 10620 2152 3523 Telmex Colombia S.A., CO 30036 2144 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2138 10188 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1506 3:383 4:6 5:4383 6:149 7:6 8:1509 9:1 11:172 12:1437 13:362 14:2333 15:323 16:219 17:366 18:786 20:384 21:4 22:188 23:6880 24:2696 25:2 27:2618 29:19 31:2586 32:44 34:65 35:135 36:2342 37:4435 38:8102 39:912 40:148 41:4090 42:1988 43:2359 44:332 45:17482 46:4535 47:300 49:1961 50:1856 51:580 52:1574 54:318 55:927 56:8 57:213 58:2136 59:1192 60:1051 61:2672 62:2757 63:1878 64:5456 65:2286 66:4613 67:3003 68:1306 69:4044 70:1158 71:559 72:2857 74:2589 75:1559 76:617 77:2494 78:1867 79:1782 80:2198 81:2013 82:1665 83:1362 84:1715 85:3176 86:950 87:2027 88:1246 89:4218 90:699 91:8182 92:2339 93:2717 94:3738 95:4202 96:1279 97:313 98:1037 99:739 100:73 101:1163 102:3322 103:32219 104:4745 105:698 106:997 107:2490 108:1154 109:4047 110:2124 111:3197 112:2053 113:1813 114:1801 115:2022 116:1939 117:2649 118:2795 119:1968 120:1782 121:1293 122:2695 123:2246 124:1609 125:2830 126:32 128:1364 129:927 130:1172 131:1868 132:804 133:417 134:1724 135:319 136:1123 137:1060 138:2865 139:1528 140:1419 141:1379 142:1669 143:1637 144:1026 145:358 146:2096 147:2002 148:2535 149:2756 150:1033 151:1337 152:2215 153:522 154:6826 155:1435 156:2317 157:1893 158:1175 159:2430 160:2858 161:1699 162:3523 163:1705 164:1682 165:2135 166:1247 167:1823 168:4042 169:802 170:4903 171:1029 172:3880 173:3059 174:897 175:1239 176:3454 177:4633 178:3594 179:2223 180:2421 181:3793 182:3320 183:1978 184:2255 185:20891 186:4952 187:4329 188:4077 189:4116 190:9485 191:1532 192:11033 193:9163 194:7482 195:5298 196:3207 197:2658 198:5904 199:7990 200:8021 201:6246 202:10202 203:10257 204:4547 205:3639 206:4460 207:3494 208:4156 209:4991 210:4484 211:2535 212:4371 213:3607 214:1066 215:49 216:6725 217:2963 218:1326 219:429 220:1810 221:1037 222:693 223:2221 End of report