IPv4 R&E Routing Table Report 23:05 GMT Tue 19 Sep, 2023 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: 922904 Prefixes after maximum aggregation (per Origin AS): 351755 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453160 Number of IPv4 prefixes with a valid ROA: 420174 Number of IPv4 prefixes with an invalid ROA: 1605 Number of IPv4 prefixes with no ROA: 501125 Total ASes present in the Internet Routing Table: 74603 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64166 Origin ASes announcing only one prefix: 26325 Transit ASes present in the Internet Routing Table: 10437 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1011 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 42640 Number of 32-bit ASNs visible in the Routing Table: 35031 Prefixes from 32-bit ASNs in the Routing Table: 174724 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 553 Number of addresses announced to Internet: 3053578752 Equivalent to 182 /8s, 1 /16s and 234 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308126 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241187 Total APNIC prefixes after maximum aggregation: 70084 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234819 Unique aggregates announced from the APNIC address blocks: 98733 APNIC Region origin ASes present in the Internet Routing Table: 13542 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4033 APNIC Region transit ASes present in the Internet Routing Table: 1810 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8939 Number of APNIC addresses announced to Internet: 772151040 Equivalent to 46 /8s, 6 /16s and 23 /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: 271298 Total ARIN prefixes after maximum aggregation: 123444 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274337 Unique aggregates announced from the ARIN address blocks: 131592 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.41 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1278092544 Equivalent to 76 /8s, 46 /16s and 37 /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, 393216-401308 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: 261080 Total RIPE prefixes after maximum aggregation: 123212 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256737 Unique aggregates announced from the RIPE address blocks: 160275 RIPE Region origin ASes present in the Internet Routing Table: 28381 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11314 Number of RIPE addresses announced to Internet: 716719360 Equivalent to 42 /8s, 184 /16s and 69 /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: 118144 Total LACNIC prefixes after maximum aggregation: 28350 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117091 Unique aggregates announced from the LACNIC address blocks: 49251 LACNIC Region origin ASes present in the Internet Routing Table: 11019 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2335 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8838 Number of LACNIC addresses announced to Internet: 178388736 Equivalent to 10 /8s, 161 /16s and 255 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30184 Total AfriNIC prefixes after maximum aggregation: 5961 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39367 Unique aggregates announced from the AfriNIC address blocks: 12849 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 22.07 AfriNIC Region origin ASes announcing only one prefix: 623 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1129 Number of AfriNIC addresses announced to Internet: 107786496 Equivalent to 6 /8s, 108 /16s and 177 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5729 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3717 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3149 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2514 849 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 201 TATACOMM-AS TATA Communications formerl 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 9062 10991 3258 AMAZON-02, US 11492 4528 300 668 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3541 1319 66 SHAW, CA 22773 3541 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 16625 2997 1430 2275 AKAMAI-AS, US 367 2971 3826 1403 DNIC-ASBLK-00306-00371, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 7018 2500 23674 1559 ATT-INTERNET4, 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 7394 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4060 3398 152 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2906 2296 913 ROSTELECOM-AS, RU 9009 2726 253 1394 M247, RO 34984 2334 362 592 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1480 1852 16 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 11757 3368 603 UNINET, MX 10620 3542 506 851 Telmex Colombia S.A., CO 13999 2397 333 623 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 764 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1119 182 427 Techtel LMDS Comunicaciones Interactiva 6147 1112 369 22 Telefonica del Peru S.A.A., PE 26615 1035 2501 49 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 24863 1614 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 940 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 24757 480 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 11757 3368 603 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9062 10991 3258 AMAZON-02, US 12479 7394 1713 145 UNI2-AS, ES 7545 5729 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4528 300 668 CABLEONE, US 18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4060 3398 152 AKAMAI-ASN1, NL 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7394 7249 UNI2-AS, ES 16509 9062 5804 AMAZON-02, US 7545 5729 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4281 4256 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4060 3908 AKAMAI-ASN1, NL 11492 4528 3860 CABLEONE, US 7552 3717 3697 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 LIGHTOWER, 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 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2095 /16:13442 /17:8196 /18:13728 /19:24828 /20:43216 /21:50902 /22:109575 /23:98634 /24:556043 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6480 7394 UNI2-AS, ES 8151 5805 11757 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3440 4528 CABLEONE, US 6327 3352 3541 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2922 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2590 3541 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2105 3542 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2211 2:1406 3:263 4:5 5:4508 6:136 7:6 8:1502 9:1 11:172 12:1514 13:362 14:2319 15:303 16:192 17:368 18:643 20:286 21:4 22:188 23:6339 24:2494 25:2 27:2580 29:19 31:2524 32:74 34:27 35:114 36:1997 37:4527 38:5354 39:870 40:146 41:4046 42:2079 43:2270 44:320 45:16533 46:4276 47:373 49:1825 50:1880 51:597 52:1595 54:395 55:959 56:5 57:123 58:1798 59:1118 60:1002 61:2538 62:2689 63:1913 64:5657 65:2349 66:4910 67:3030 68:1339 69:4138 70:1191 71:663 72:2940 74:2597 75:1562 76:617 77:2295 78:1823 79:2984 80:2111 81:1833 82:1492 83:1291 84:1523 85:3051 86:764 87:2008 88:1169 89:3870 90:619 91:7810 92:2063 93:2612 94:3514 95:4018 96:1300 97:315 98:1079 99:734 100:90 101:1317 102:2907 103:32004 104:4622 105:576 106:891 107:2683 108:1128 109:4218 110:2127 111:3139 112:2055 113:1745 114:1668 115:1996 116:1888 117:2535 118:2693 119:1957 120:1776 121:1121 122:2587 123:2149 124:1577 125:2512 128:1415 129:915 130:1037 131:1961 132:855 133:408 134:1788 135:306 136:972 137:972 138:2638 139:1568 140:1177 141:1311 142:1503 143:1549 144:1004 145:351 146:1939 147:1588 148:2427 149:2242 150:873 151:1228 152:1981 153:523 154:5128 155:1385 156:1931 157:1343 158:1084 159:2242 160:2610 161:1588 162:3534 163:1601 164:1687 165:1861 166:1069 167:1744 168:3713 169:884 170:4641 171:907 172:3748 173:2952 174:980 175:1178 176:3764 177:4442 178:3534 179:2136 180:2483 181:3521 182:3319 183:1996 184:2280 185:20576 186:4669 187:4167 188:4157 189:3839 190:9196 191:1359 192:10939 193:8953 194:7293 195:5206 196:3196 197:2481 198:5907 199:6114 200:7843 201:5972 202:10186 203:9983 204:4548 205:3691 206:4311 207:3394 208:4132 209:4902 210:4203 211:2439 212:4264 213:3399 214:1113 215:57 216:6678 217:2774 218:1267 219:404 220:1802 221:981 222:666 223:2144 End of report