IPv4 R&E Routing Table Report 23:05 GMT Thu 09 Nov, 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: 927158 Prefixes after maximum aggregation (per Origin AS): 354410 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454413 Number of IPv4 prefixes with a valid ROA: 427498 Number of IPv4 prefixes with an invalid ROA: 1629 Number of IPv4 prefixes with no ROA: 498031 Total ASes present in the Internet Routing Table: 74808 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64399 Origin ASes announcing only one prefix: 26409 Transit ASes present in the Internet Routing Table: 10409 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 37 Max AS path prepend of ASN (203459) 31 Prefixes from unregistered ASNs in the Routing Table: 1043 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 43026 Number of 32-bit ASNs visible in the Routing Table: 35285 Prefixes from 32-bit ASNs in the Routing Table: 176360 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: 510 Number of addresses announced to Internet: 3049498112 Equivalent to 181 /8s, 195 /16s and 166 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309280 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243015 Total APNIC prefixes after maximum aggregation: 70754 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236228 Unique aggregates announced from the APNIC address blocks: 98910 APNIC Region origin ASes present in the Internet Routing Table: 13637 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4077 APNIC Region transit ASes present in the Internet Routing Table: 1826 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9035 Number of APNIC addresses announced to Internet: 771610880 Equivalent to 45 /8s, 253 /16s and 217 /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: 272394 Total ARIN prefixes after maximum aggregation: 124009 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276802 Unique aggregates announced from the ARIN address blocks: 132330 ARIN Region origin ASes present in the Internet Routing Table: 19012 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1849 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: 4813 Number of ARIN addresses announced to Internet: 1276429568 Equivalent to 76 /8s, 20 /16s and 197 /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: 261627 Total RIPE prefixes after maximum aggregation: 124444 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256307 Unique aggregates announced from the RIPE address blocks: 160568 RIPE Region origin ASes present in the Internet Routing Table: 28456 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11419 Number of RIPE addresses announced to Internet: 715319808 Equivalent to 42 /8s, 162 /16s and 234 /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: 118948 Total LACNIC prefixes after maximum aggregation: 28472 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117810 Unique aggregates announced from the LACNIC address blocks: 49365 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2338 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of LACNIC addresses announced to Internet: 178321920 Equivalent to 10 /8s, 160 /16s and 250 /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: 30131 Total AfriNIC prefixes after maximum aggregation: 6011 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39501 Unique aggregates announced from the AfriNIC address blocks: 12814 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107389696 Equivalent to 6 /8s, 102 /16s and 163 /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 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3629 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3248 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9209 11059 3357 AMAZON-02, US 11492 4551 302 674 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3497 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3107 1386 2296 AKAMAI-AS, US 367 3038 3870 1437 DNIC-ASBLK-00306-00371, US 396982 2719 3626 393 GOOGLE-CLOUD-PLATFORM, US 7018 2527 23616 1604 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 7431 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4000 3397 140 AKAMAI-ASN1, NL 8551 3442 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1595 M247, RO 12389 2908 2297 916 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1518 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 12006 3372 606 UNINET, MX 10620 3541 504 860 Telmex Colombia S.A., CO 13999 2444 333 634 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1059 168 431 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 521 54 46 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 24757 479 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 12006 3372 606 UNINET, MX 9808 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9209 11059 3357 AMAZON-02, US 12479 7431 1713 145 UNI2-AS, ES 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4551 302 674 CABLEONE, US 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4000 3397 140 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 9688 9648 CHINAMOBILE-CN China Mobile Communications Grou 12479 7431 7286 UNI2-AS, ES 16509 9209 5852 AMAZON-02, US 7545 5716 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4264 4239 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4551 3877 CABLEONE, US 20940 4000 3860 AKAMAI-ASN1, NL 7552 3629 3609 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 17054 EXPEDIENT, 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13419 /17:8216 /18:13664 /19:24795 /20:43128 /21:51118 /22:109864 /23:98952 /24:559700 /25:0 /26:2 /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 6521 7431 UNI2-AS, ES 8151 6019 12006 UNINET, MX 11492 3464 4551 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2919 3442 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3497 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2485 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2115 3541 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) ---------------------------------------------- 1:2222 2:1431 3:273 4:5 5:4368 6:161 7:6 8:1498 9:1 11:172 12:1495 13:356 14:2316 15:304 16:202 17:362 18:670 20:318 21:4 22:188 23:6498 24:2549 25:2 27:2578 29:19 31:2540 32:58 34:30 35:115 36:2027 37:4455 38:5555 39:866 40:149 41:3988 42:2076 43:2272 44:325 45:16737 46:4350 47:372 49:1865 50:1881 51:576 52:1582 54:393 55:885 56:5 57:125 58:1811 59:1113 60:1012 61:2574 62:2681 63:1897 64:5497 65:2339 66:4970 67:3058 68:1347 69:4118 70:1176 71:605 72:2922 74:2629 75:1563 76:636 77:2335 78:1829 79:3008 80:2113 81:1844 82:1520 83:1302 84:1600 85:2971 86:775 87:1939 88:1227 89:3939 90:628 91:7880 92:2132 93:2630 94:3580 95:3999 96:1299 97:315 98:1084 99:737 100:91 101:1387 102:2941 103:32239 104:4821 105:573 106:979 107:2791 108:1138 109:4207 110:2134 111:3145 112:2070 113:1676 114:1702 115:1992 116:1919 117:2566 118:2711 119:1942 120:1767 121:1184 122:2610 123:2179 124:1580 125:2620 128:1411 129:909 130:1047 131:1971 132:809 133:408 134:1696 135:300 136:906 137:980 138:2720 139:1559 140:1327 141:1322 142:1546 143:1522 144:1002 145:339 146:1967 147:1621 148:2465 149:2336 150:875 151:1248 152:1952 153:535 154:5303 155:1391 156:2101 157:1356 158:1050 159:2191 160:2617 161:1598 162:3523 163:1606 164:1647 165:1853 166:1066 167:1747 168:3818 169:789 170:4659 171:970 172:3871 173:2987 174:978 175:1192 176:3608 177:4552 178:3519 179:2199 180:2266 181:3582 182:3374 183:2002 184:2268 185:20594 186:4711 187:4216 188:4046 189:3957 190:9255 191:1436 192:10962 193:8962 194:7296 195:5201 196:3203 197:2471 198:5920 199:6453 200:7964 201:6188 202:10230 203:10000 204:4537 205:3672 206:4347 207:3424 208:4101 209:4891 210:4223 211:2445 212:4260 213:3402 214:1121 215:71 216:6721 217:2771 218:1289 219:408 220:1803 221:1004 222:682 223:2184 End of report