IPv4 R&E Routing Table Report 23:05 GMT Fri 17 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: 927356 Prefixes after maximum aggregation (per Origin AS): 354558 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454562 Number of IPv4 prefixes with a valid ROA: 428564 Number of IPv4 prefixes with an invalid ROA: 1356 Number of IPv4 prefixes with no ROA: 497436 Total ASes present in the Internet Routing Table: 74872 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64422 Origin ASes announcing only one prefix: 26488 Transit ASes present in the Internet Routing Table: 10450 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1022 Number of instances of unregistered ASNs: 1024 Number of 32-bit ASNs allocated by the RIRs: 43066 Number of 32-bit ASNs visible in the Routing Table: 35347 Prefixes from 32-bit ASNs in the Routing Table: 176809 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: 532 Number of addresses announced to Internet: 3048511744 Equivalent to 181 /8s, 180 /16s and 153 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309401 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243130 Total APNIC prefixes after maximum aggregation: 70900 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236351 Unique aggregates announced from the APNIC address blocks: 99106 APNIC Region origin ASes present in the Internet Routing Table: 13671 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4105 APNIC Region transit ASes present in the Internet Routing Table: 1830 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9067 Number of APNIC addresses announced to Internet: 771173120 Equivalent to 45 /8s, 247 /16s and 43 /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: 272160 Total ARIN prefixes after maximum aggregation: 123915 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276788 Unique aggregates announced from the ARIN address blocks: 132238 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1276156928 Equivalent to 76 /8s, 16 /16s and 156 /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: 261781 Total RIPE prefixes after maximum aggregation: 124509 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256370 Unique aggregates announced from the RIPE address blocks: 160680 RIPE Region origin ASes present in the Internet Routing Table: 28472 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11431 Number of RIPE addresses announced to Internet: 714947840 Equivalent to 42 /8s, 157 /16s and 61 /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: 119231 Total LACNIC prefixes after maximum aggregation: 28508 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118028 Unique aggregates announced from the LACNIC address blocks: 49319 LACNIC Region origin ASes present in the Internet Routing Table: 11032 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8877 Number of LACNIC addresses announced to Internet: 178310400 Equivalent to 10 /8s, 160 /16s and 205 /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: 30032 Total AfriNIC prefixes after maximum aggregation: 6021 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39287 Unique aggregates announced from the AfriNIC address blocks: 12781 AfriNIC Region origin ASes present in the Internet Routing Table: 1807 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 339 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: 1150 Number of AfriNIC addresses announced to Internet: 107492864 Equivalent to 6 /8s, 104 /16s and 54 /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 9708 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5701 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4288 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3635 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3262 494 245 BBIL-AP BHARTI Airtel Ltd., IN 45899 3128 1871 105 VNPT-AS-VN VNPT Corp, VN 24560 2585 852 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2279 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2190 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 9256 11065 3324 AMAZON-02, US 11492 4556 302 675 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3510 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3158 54932 2410 DNIC-AS-00749, US 16625 3046 1381 2290 AKAMAI-AS, US 367 3026 3868 1436 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2526 23620 1592 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 7460 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4004 3397 141 AKAMAI-ASN1, NL 8551 3437 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1588 M247, RO 12389 2885 2295 909 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1651 910 584 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1523 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 12059 3374 608 UNINET, MX 10620 3527 499 871 Telmex Colombia S.A., CO 13999 2457 335 642 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1332 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1101 369 22 Telefonica del Peru S.A.A., PE 11664 1074 172 436 Techtel LMDS Comunicaciones Interactiva 26615 1039 2502 52 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 1605 393 19 LINKdotNET-AS, EG 24835 1548 545 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 550 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 24757 480 73 5 EthioNet-AS, ET 37342 480 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 12059 3374 608 UNINET, MX 9808 9708 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9256 11065 3324 AMAZON-02, US 12479 7460 1713 145 UNI2-AS, ES 7545 5701 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 675 CABLEONE, US 18403 4288 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4004 3397 141 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 9708 9667 CHINAMOBILE-CN China Mobile Communications Grou 12479 7460 7315 UNI2-AS, ES 16509 9256 5932 AMAZON-02, US 7545 5701 5005 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4288 4263 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4556 3881 CABLEONE, US 20940 4004 3863 AKAMAI-ASN1, NL 7552 3635 3615 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 3356 LEVEL3, 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 /11:99 /12:299 /13:578 /14:1193 /15:2056 /16:13410 /17:8218 /18:13677 /19:24795 /20:43049 /21:51081 /22:109946 /23:98966 /24:559912 /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 6549 7460 UNI2-AS, ES 8151 6071 12059 UNINET, MX 11492 3469 4556 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2914 3437 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3510 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 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) ---------------------------------------------- 1:2228 2:1422 3:274 4:5 5:4376 6:162 7:6 8:1504 9:1 11:172 12:1492 13:366 14:2317 15:304 16:206 17:362 18:672 20:318 21:4 22:188 23:6478 24:2555 25:2 27:2579 29:19 31:2566 32:55 34:33 35:115 36:2026 37:4444 38:5612 39:877 40:149 41:3983 42:2066 43:2291 44:329 45:16714 46:4344 47:373 49:1865 50:1878 51:573 52:1591 54:393 55:878 56:5 57:126 58:1820 59:1111 60:1010 61:2588 62:2699 63:1896 64:5492 65:2350 66:4965 67:3059 68:1345 69:4124 70:1181 71:606 72:2920 74:2624 75:1563 76:624 77:2345 78:1829 79:3015 80:2113 81:1843 82:1511 83:1298 84:1595 85:2970 86:776 87:1950 88:1228 89:3944 90:628 91:7871 92:2145 93:2649 94:3564 95:3998 96:1299 97:315 98:1082 99:737 100:96 101:1385 102:2947 103:32308 104:4741 105:575 106:976 107:2780 108:1135 109:4196 110:2128 111:3127 112:2072 113:1668 114:1709 115:1993 116:1915 117:2553 118:2725 119:1950 120:1767 121:1192 122:2611 123:2182 124:1580 125:2633 128:1429 129:903 130:1051 131:1977 132:815 133:408 134:1716 135:298 136:920 137:982 138:2704 139:1557 140:1325 141:1326 142:1534 143:1521 144:1003 145:341 146:1967 147:1629 148:2462 149:2337 150:1011 151:1250 152:1833 153:523 154:5325 155:1385 156:2076 157:1351 158:1058 159:2200 160:2595 161:1599 162:3556 163:1613 164:1646 165:1855 166:1071 167:1742 168:3832 169:786 170:4640 171:971 172:3773 173:2984 174:952 175:1191 176:3607 177:4514 178:3519 179:2171 180:2266 181:3593 182:3377 183:2003 184:2272 185:20596 186:4749 187:4242 188:4042 189:3953 190:9323 191:1445 192:10983 193:8966 194:7293 195:5192 196:3124 197:2468 198:5922 199:6506 200:8011 201:6221 202:10242 203:10009 204:4543 205:3671 206:4359 207:3413 208:4085 209:4891 210:4234 211:2465 212:4255 213:3397 214:1113 215:71 216:6722 217:2766 218:1290 219:412 220:1798 221:1002 222:688 223:2181 End of report