IPv4 R&E Routing Table Report 23:05 GMT Thu 16 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: 927462 Prefixes after maximum aggregation (per Origin AS): 354527 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454466 Number of IPv4 prefixes with a valid ROA: 428370 Number of IPv4 prefixes with an invalid ROA: 1362 Number of IPv4 prefixes with no ROA: 497730 Total ASes present in the Internet Routing Table: 74848 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64399 Origin ASes announcing only one prefix: 26470 Transit ASes present in the Internet Routing Table: 10449 Transit-only ASes present in the Internet Routing Table: 457 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: 250 Max AS path prepend of ASN ( 28025) 246 Prefixes from unregistered ASNs in the Routing Table: 1010 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 43052 Number of 32-bit ASNs visible in the Routing Table: 35320 Prefixes from 32-bit ASNs in the Routing Table: 176767 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: 526 Number of addresses announced to Internet: 3049651712 Equivalent to 181 /8s, 197 /16s and 254 /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: 309330 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243247 Total APNIC prefixes after maximum aggregation: 70884 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236469 Unique aggregates announced from the APNIC address blocks: 99020 APNIC Region origin ASes present in the Internet Routing Table: 13665 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4104 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: 9059 Number of APNIC addresses announced to Internet: 771793408 Equivalent to 46 /8s, 0 /16s and 162 /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: 272364 Total ARIN prefixes after maximum aggregation: 123991 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277014 Unique aggregates announced from the ARIN address blocks: 132297 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1881 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: 1276379904 Equivalent to 76 /8s, 20 /16s and 3 /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: 261663 Total RIPE prefixes after maximum aggregation: 124443 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256208 Unique aggregates announced from the RIPE address blocks: 160594 RIPE Region origin ASes present in the Internet Routing Table: 28462 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 3906 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: 11423 Number of RIPE addresses announced to Internet: 715235840 Equivalent to 42 /8s, 161 /16s and 162 /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: 119252 Total LACNIC prefixes after maximum aggregation: 28471 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118054 Unique aggregates announced from the LACNIC address blocks: 49326 LACNIC Region origin ASes present in the Internet Routing Table: 11026 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 250 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8868 Number of LACNIC addresses announced to Internet: 178315264 Equivalent to 10 /8s, 160 /16s and 224 /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: 29926 Total AfriNIC prefixes after maximum aggregation: 6034 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 39191 Unique aggregates announced from the AfriNIC address blocks: 12787 AfriNIC Region origin ASes present in the Internet Routing Table: 1805 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 338 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: 1148 Number of AfriNIC addresses announced to Internet: 107493376 Equivalent to 6 /8s, 104 /16s and 56 /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 9707 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5700 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4293 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3638 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3262 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3257 493 244 BBIL-AP BHARTI Airtel Ltd., IN 24560 2585 852 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 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 9234 11060 3351 AMAZON-02, US 11492 4556 302 675 CABLEONE, US 7155 4144 288 95 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3507 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3158 54932 2410 DNIC-AS-00749, US 16625 3121 1390 2298 AKAMAI-AS, US 367 3037 3871 1440 DNIC-ASBLK-00306-00371, US 396982 2723 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2515 23615 1591 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 4011 3397 141 AKAMAI-ASN1, NL 8551 3439 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3426 297 1590 M247, RO 12389 2901 2295 913 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1650 910 583 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 12041 3370 608 UNINET, MX 10620 3545 504 856 Telmex Colombia S.A., CO 13999 2454 335 640 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1333 2322 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 778 190 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 1069 172 435 Techtel LMDS Comunicaciones Interactiva 26615 1040 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 1606 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 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 2018 381 319 71 TENET-1, ZA 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 12041 3370 608 UNINET, MX 9808 9707 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9234 11060 3351 AMAZON-02, US 12479 7460 1713 145 UNI2-AS, ES 7545 5700 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 675 CABLEONE, US 18403 4293 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4144 288 95 VIASAT-SP-BACKBONE, US 20940 4011 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 9707 9667 CHINAMOBILE-CN China Mobile Communications Grou 12479 7460 7315 UNI2-AS, ES 16509 9234 5883 AMAZON-02, US 7545 5700 5004 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4293 4268 FPT-AS-AP FPT Telecom Company, VN 7155 4144 4049 VIASAT-SP-BACKBONE, US 11492 4556 3881 CABLEONE, US 20940 4011 3870 AKAMAI-ASN1, NL 7552 3638 3618 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 /11:100 /12:299 /13:578 /14:1193 /15:2057 /16:13414 /17:8220 /18:13676 /19:24779 /20:43154 /21:51090 /22:109977 /23:98934 /24:559914 /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 6060 12041 UNINET, MX 11492 3469 4556 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3093 4144 VIASAT-SP-BACKBONE, US 8551 2916 3439 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3507 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2135 2480 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3545 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) ---------------------------------------------- 1:2226 2:1423 3:272 4:5 5:4376 6:161 7:6 8:1504 9:1 11:172 12:1494 13:365 14:2318 15:304 16:205 17:362 18:672 20:318 21:4 22:188 23:6516 24:2555 25:2 27:2579 29:19 31:2557 32:54 34:30 35:115 36:2025 37:4448 38:5614 39:877 40:149 41:3962 42:2073 43:2292 44:328 45:16739 46:4340 47:373 49:1864 50:1879 51:573 52:1591 54:393 55:884 56:5 57:126 58:1822 59:1113 60:1010 61:2587 62:2701 63:1897 64:5495 65:2350 66:4968 67:3059 68:1342 69:4122 70:1161 71:606 72:2922 74:2624 75:1560 76:622 77:2342 78:1828 79:3020 80:2110 81:1842 82:1513 83:1300 84:1595 85:2967 86:754 87:1947 88:1228 89:3943 90:628 91:7882 92:2131 93:2641 94:3575 95:3998 96:1299 97:315 98:1080 99:737 100:96 101:1388 102:2949 103:32317 104:4814 105:575 106:974 107:2781 108:1130 109:4194 110:2128 111:3128 112:2071 113:1670 114:1709 115:1993 116:1914 117:2554 118:2726 119:1946 120:1767 121:1192 122:2610 123:2182 124:1580 125:2629 128:1420 129:904 130:1050 131:1975 132:815 133:408 134:1716 135:297 136:920 137:983 138:2706 139:1553 140:1326 141:1326 142:1536 143:1525 144:1005 145:341 146:1966 147:1629 148:2461 149:2334 150:1012 151:1250 152:1828 153:523 154:5331 155:1383 156:2102 157:1350 158:1050 159:2197 160:2607 161:1605 162:3553 163:1608 164:1646 165:1854 166:1072 167:1742 168:3828 169:784 170:4668 171:970 172:3801 173:2982 174:952 175:1190 176:3606 177:4576 178:3520 179:2182 180:2267 181:3587 182:3377 183:2005 184:2273 185:20588 186:4747 187:4249 188:4048 189:3941 190:9320 191:1445 192:10978 193:8961 194:7292 195:5106 196:3080 197:2451 198:5921 199:6500 200:7991 201:6222 202:10241 203:10001 204:4541 205:3674 206:4372 207:3414 208:4091 209:4886 210:4236 211:2467 212:4260 213:3393 214:1108 215:71 216:6719 217:2757 218:1293 219:412 220:1799 221:1002 222:688 223:2181 End of report