IPv4 R&E Routing Table Report 23:05 GMT Sun 26 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: 944554 Prefixes after maximum aggregation (per Origin AS): 360998 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 462330 Number of IPv4 prefixes with a valid ROA: 475830 Number of IPv4 prefixes with an invalid ROA: 1082 Number of IPv4 prefixes with no ROA: 467642 Total ASes present in the Internet Routing Table: 75632 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65030 Origin ASes announcing only one prefix: 26666 Transit ASes present in the Internet Routing Table: 10602 Transit-only ASes present in the Internet Routing Table: 511 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: 1141 Number of instances of unregistered ASNs: 1143 Number of 32-bit ASNs allocated by the RIRs: 44590 Number of 32-bit ASNs visible in the Routing Table: 36391 Prefixes from 32-bit ASNs in the Routing Table: 186064 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: 750 Number of addresses announced to Internet: 3027339264 Equivalent to 180 /8s, 113 /16s and 136 /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: 312199 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248980 Total APNIC prefixes after maximum aggregation: 73225 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241221 Unique aggregates announced from the APNIC address blocks: 101018 APNIC Region origin ASes present in the Internet Routing Table: 14046 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4280 APNIC Region transit ASes present in the Internet Routing Table: 1876 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: 9503 Number of APNIC addresses announced to Internet: 761035520 Equivalent to 45 /8s, 92 /16s and 123 /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: 275237 Total ARIN prefixes after maximum aggregation: 124814 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279891 Unique aggregates announced from the ARIN address blocks: 133584 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.64 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 4901 Number of ARIN addresses announced to Internet: 1267621120 Equivalent to 75 /8s, 142 /16s and 93 /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: 266168 Total RIPE prefixes after maximum aggregation: 127109 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260806 Unique aggregates announced from the RIPE address blocks: 164221 RIPE Region origin ASes present in the Internet Routing Table: 28629 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3906 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: 11800 Number of RIPE addresses announced to Internet: 714045440 Equivalent to 42 /8s, 143 /16s and 120 /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: 121718 Total LACNIC prefixes after maximum aggregation: 28997 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119919 Unique aggregates announced from the LACNIC address blocks: 49804 LACNIC Region origin ASes present in the Internet Routing Table: 11089 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2385 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: 8979 Number of LACNIC addresses announced to Internet: 177085696 Equivalent to 10 /8s, 142 /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: 31310 Total AfriNIC prefixes after maximum aggregation: 6164 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 41967 Unique aggregates announced from the AfriNIC address blocks: 13205 AfriNIC Region origin ASes present in the Internet Routing Table: 1838 AfriNIC Prefixes per ASN: 22.83 AfriNIC Region origin ASes announcing only one prefix: 656 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1208 Number of AfriNIC addresses announced to Internet: 107133696 Equivalent to 6 /8s, 98 /16s and 187 /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 5642 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4458 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3929 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3748 508 259 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 2795 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 11383 3521 AMAZON-02, US 11492 4623 307 591 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3520 8782 866 COGENT-174, US 22773 3476 3026 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3223 54904 2475 DNIC-AS-00749, US 16625 3042 1304 2195 AKAMAI-AS, US 7018 2848 23661 1799 ATT-INTERNET4, US 367 2765 3395 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 7752 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3768 3396 129 AKAMAI-ASN1, NL 9009 3498 299 1741 M247, RO 12389 2917 2295 872 ROSTELECOM-AS, RU 8551 2645 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 1579 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 12197 3320 491 UNINET, MX 10620 3509 492 941 Telmex Colombia S.A., CO 13999 2544 355 665 Mega Cable, S.A. de C.V., MX 11830 2002 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 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1083 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 1502 389 20 LINKdotNET-AS, EG 36992 1378 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1206 77 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 533 56 56 WANANCHI-, KE 36914 470 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 12197 3320 491 UNINET, MX 16509 9948 11383 3521 AMAZON-02, US 9808 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7752 1708 145 UNI2-AS, ES 7545 5642 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4623 307 591 CABLEONE, US 18403 4458 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 7752 7607 UNI2-AS, ES 16509 9948 6427 AMAZON-02, US 7545 5642 4966 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4458 4435 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 3768 3639 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 /16:13217 /17:8143 /18:13600 /19:24409 /20:43065 /21:51095 /22:110667 /23:98948 /24:577153 /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 6846 7752 UNI2-AS, ES 8151 6229 12197 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 10620 2138 3509 Telmex Colombia S.A., CO 16509 2127 9948 AMAZON-02, US 8551 2121 2645 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2296 2:1515 3:348 4:6 5:4558 6:161 7:6 8:1508 9:1 11:172 12:1465 13:356 14:2369 15:319 16:211 17:366 18:767 20:378 21:4 22:188 23:6733 24:2718 25:2 27:2571 29:19 31:2571 32:45 34:65 35:133 36:2303 37:4470 38:7557 39:896 40:125 41:4089 42:2154 43:2344 44:317 45:17092 46:4491 47:306 49:1943 50:1896 51:579 52:1586 54:314 55:974 56:5 57:176 58:2016 59:1195 60:1028 61:2624 62:2684 63:1886 64:5515 65:2348 66:4670 67:2988 68:1310 69:4099 70:1183 71:584 72:2864 74:2575 75:1551 76:614 77:2476 78:1852 79:2520 80:2185 81:2014 82:1613 83:1340 84:1660 85:3160 86:905 87:2012 88:1246 89:4123 90:683 91:8123 92:2308 93:2710 94:3742 95:4184 96:1267 97:304 98:1035 99:740 100:73 101:1170 102:3462 103:32508 104:4770 105:675 106:948 107:2761 108:1134 109:4180 110:2145 111:3253 112:2058 113:1767 114:1787 115:2061 116:1876 117:2655 118:2840 119:1975 120:1773 121:1280 122:2678 123:2201 124:1618 125:2860 126:32 128:1416 129:913 130:1140 131:1820 132:799 133:412 134:1736 135:322 136:1054 137:1038 138:2820 139:1535 140:1376 141:1345 142:1573 143:1554 144:1011 145:364 146:2053 147:1935 148:2504 149:2735 150:1035 151:1337 152:2148 153:524 154:6607 155:1455 156:2281 157:1802 158:1151 159:2330 160:2656 161:1691 162:3544 163:1702 164:1647 165:2148 166:1172 167:1791 168:3932 169:799 170:4869 171:1029 172:3846 173:3001 174:890 175:1223 176:3684 177:4816 178:3707 179:2224 180:2364 181:3726 182:3395 183:2010 184:2259 185:20783 186:4986 187:4546 188:4090 189:4159 190:9432 191:1686 192:10981 193:9104 194:7499 195:5285 196:3185 197:2568 198:5912 199:7835 200:7985 201:6232 202:10207 203:10148 204:4567 205:3614 206:4444 207:3482 208:4144 209:5004 210:4387 211:2524 212:4316 213:3437 214:1069 215:49 216:6825 217:2988 218:1293 219:415 220:1818 221:1033 222:713 223:2214 End of report