IPv4 R&E Routing Table Report 23:05 GMT Fri 15 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: 922596 Prefixes after maximum aggregation (per Origin AS): 351645 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453201 Number of IPv4 prefixes with a valid ROA: 419968 Number of IPv4 prefixes with an invalid ROA: 1588 Number of IPv4 prefixes with no ROA: 501040 Total ASes present in the Internet Routing Table: 74595 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64172 Origin ASes announcing only one prefix: 26313 Transit ASes present in the Internet Routing Table: 10423 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1056 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 42619 Number of 32-bit ASNs visible in the Routing Table: 35011 Prefixes from 32-bit ASNs in the Routing Table: 174835 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 586 Number of addresses announced to Internet: 3053860096 Equivalent to 182 /8s, 6 /16s and 53 /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: 308081 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241198 Total APNIC prefixes after maximum aggregation: 70082 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234849 Unique aggregates announced from the APNIC address blocks: 98693 APNIC Region origin ASes present in the Internet Routing Table: 13532 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4030 APNIC Region transit ASes present in the Internet Routing Table: 1811 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: 8925 Number of APNIC addresses announced to Internet: 772211200 Equivalent to 46 /8s, 7 /16s and 2 /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: 270951 Total ARIN prefixes after maximum aggregation: 123350 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273952 Unique aggregates announced from the ARIN address blocks: 131573 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.39 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 1278096384 Equivalent to 76 /8s, 46 /16s and 52 /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: 260973 Total RIPE prefixes after maximum aggregation: 123224 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256699 Unique aggregates announced from the RIPE address blocks: 160353 RIPE Region origin ASes present in the Internet Routing Table: 28377 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11310 Number of RIPE addresses announced to Internet: 716933120 Equivalent to 42 /8s, 187 /16s and 136 /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: 118254 Total LACNIC prefixes after maximum aggregation: 28321 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117223 Unique aggregates announced from the LACNIC address blocks: 49274 LACNIC Region origin ASes present in the Internet Routing Table: 11019 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2324 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: 178404352 Equivalent to 10 /8s, 162 /16s and 60 /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: 30164 Total AfriNIC prefixes after maximum aggregation: 5956 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39287 Unique aggregates announced from the AfriNIC address blocks: 12821 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 619 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: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1127 Number of AfriNIC addresses announced to Internet: 107762176 Equivalent to 6 /8s, 108 /16s and 82 /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 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3731 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3564 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 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 200 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 9080 10995 3234 AMAZON-02, US 11492 4527 300 671 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3546 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3539 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 2991 1428 2268 AKAMAI-AS, US 367 2962 3829 1398 DNIC-ASBLK-00306-00371, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2499 357 359 MEDIACOM-ENTERPRISE-BUSINESS, 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 7385 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 152 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 912 ROSTELECOM-AS, RU 9009 2728 254 1395 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1732 922 532 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1491 100 1160 ASDETUK www.heficed.com, US 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 11822 3368 601 UNINET, MX 10620 3542 506 851 Telmex Colombia S.A., CO 13999 2396 333 624 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 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1122 181 424 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1029 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 1611 393 19 LINKdotNET-AS, EG 24835 1533 549 28 RAYA-AS, EG 36992 1358 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 920 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 55 49 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 24757 482 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 11822 3368 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9080 10995 3234 AMAZON-02, US 12479 7385 1713 145 UNI2-AS, ES 7545 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 671 CABLEONE, US 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4065 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 7385 7240 UNI2-AS, ES 16509 9080 5846 AMAZON-02, US 7545 5728 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4282 4257 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4065 3913 AKAMAI-ASN1, NL 11492 4527 3856 CABLEONE, US 7552 3731 3711 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 /15:2098 /16:13474 /17:8196 /18:13730 /19:24803 /20:43223 /21:50904 /22:109572 /23:98681 /24:555670 /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 6471 7385 UNI2-AS, ES 8151 5848 11822 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3439 4527 CABLEONE, US 6327 3350 3539 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2921 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2594 3546 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2499 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 2:1421 3:263 4:5 5:4526 6:135 7:6 8:1502 9:1 11:172 12:1515 13:364 14:2313 15:302 16:192 17:368 18:644 20:286 21:4 22:188 23:6358 24:2490 25:2 27:2572 29:19 31:2526 32:76 34:27 35:114 36:1985 37:4532 38:5243 39:870 40:146 41:4019 42:2080 43:2268 44:319 45:16567 46:4272 47:373 49:1824 50:1881 51:597 52:1595 54:396 55:936 56:5 57:123 58:1800 59:1121 60:1002 61:2536 62:2681 63:1910 64:5629 65:2350 66:4879 67:3028 68:1339 69:4144 70:1192 71:661 72:2952 74:2596 75:1561 76:617 77:2292 78:1831 79:2986 80:2115 81:1832 82:1459 83:1289 84:1523 85:3045 86:767 87:2000 88:1169 89:3878 90:621 91:7819 92:2063 93:2615 94:3522 95:4010 96:1297 97:316 98:1081 99:736 100:90 101:1317 102:2915 103:31968 104:4602 105:561 106:891 107:2682 108:1127 109:4215 110:2123 111:3140 112:2064 113:1752 114:1666 115:1993 116:1891 117:2534 118:2694 119:1976 120:1776 121:1119 122:2587 123:2144 124:1582 125:2515 128:1406 129:916 130:1033 131:1955 132:848 133:408 134:1787 135:305 136:908 137:969 138:2635 139:1562 140:1182 141:1309 142:1505 143:1510 144:1000 145:350 146:1936 147:1588 148:2426 149:2255 150:873 151:1231 152:1980 153:522 154:5150 155:1389 156:1932 157:1323 158:1079 159:2241 160:2590 161:1580 162:3532 163:1591 164:1690 165:1855 166:1064 167:1734 168:3709 169:897 170:4649 171:916 172:3712 173:2973 174:978 175:1180 176:3760 177:4444 178:3506 179:2151 180:2495 181:3521 182:3319 183:1996 184:2287 185:20535 186:4676 187:4175 188:4156 189:3843 190:9163 191:1378 192:10937 193:8949 194:7300 195:5210 196:3201 197:2481 198:5915 199:6123 200:7858 201:6027 202:10203 203:9972 204:4547 205:3678 206:4301 207:3396 208:4125 209:4894 210:4202 211:2438 212:4250 213:3406 214:1092 215:58 216:6672 217:2783 218:1266 219:404 220:1802 221:981 222:666 223:2144 End of report