IPv4 R&E Routing Table Report 23:05 GMT Sun 15 Oct, 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: 925619 Prefixes after maximum aggregation (per Origin AS): 352729 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453603 Number of IPv4 prefixes with a valid ROA: 425797 Number of IPv4 prefixes with an invalid ROA: 1694 Number of IPv4 prefixes with no ROA: 498128 Total ASes present in the Internet Routing Table: 74750 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64177 Origin ASes announcing only one prefix: 26471 Transit ASes present in the Internet Routing Table: 10573 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 42849 Number of 32-bit ASNs visible in the Routing Table: 35175 Prefixes from 32-bit ASNs in the Routing Table: 175446 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3050500864 Equivalent to 181 /8s, 210 /16s and 243 /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: 99.5 Total number of prefixes smaller than registry allocations: 309571 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241625 Total APNIC prefixes after maximum aggregation: 70229 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235184 Unique aggregates announced from the APNIC address blocks: 98989 APNIC Region origin ASes present in the Internet Routing Table: 13601 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4076 APNIC Region transit ASes present in the Internet Routing Table: 1826 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8993 Number of APNIC addresses announced to Internet: 771190016 Equivalent to 45 /8s, 247 /16s and 109 /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: 272181 Total ARIN prefixes after maximum aggregation: 123447 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 275956 Unique aggregates announced from the ARIN address blocks: 132043 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.48 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1276977152 Equivalent to 76 /8s, 29 /16s and 32 /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: 262066 Total RIPE prefixes after maximum aggregation: 124018 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257124 Unique aggregates announced from the RIPE address blocks: 160271 RIPE Region origin ASes present in the Internet Routing Table: 28414 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11361 Number of RIPE addresses announced to Internet: 716111872 Equivalent to 42 /8s, 175 /16s and 0 /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: 118519 Total LACNIC prefixes after maximum aggregation: 28373 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117487 Unique aggregates announced from the LACNIC address blocks: 49224 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2705 LACNIC Region transit ASes present in the Internet Routing Table: 2355 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178433024 Equivalent to 10 /8s, 162 /16s and 172 /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: 30219 Total AfriNIC prefixes after maximum aggregation: 5969 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39359 Unique aggregates announced from the AfriNIC address blocks: 12653 AfriNIC Region origin ASes present in the Internet Routing Table: 1796 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141 Number of AfriNIC addresses announced to Internet: 107370752 Equivalent to 6 /8s, 102 /16s and 89 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5709 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3601 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3209 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2547 849 386 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9169 11006 3265 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1319 66 SHAW, CA 22773 3521 3055 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3053 3854 1427 DNIC-ASBLK-00306-00371, US 16625 2994 1391 2286 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23615 1575 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3398 152 AKAMAI-ASN1, NL 8551 3451 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3084 276 1505 M247, RO 12389 2893 2295 913 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1654 857 596 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1483 99 1145 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 11870 3381 605 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2413 332 626 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1285 343 509 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1054 168 425 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 1606 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 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 461 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 11870 3381 605 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9169 11006 3265 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5709 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4083 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9169 5904 AMAZON-02, US 7545 5709 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4206 4181 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4083 3931 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3601 3581 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 /11:101 /12:299 /13:578 /14:1190 /15:2089 /16:13439 /17:8226 /18:13711 /19:24823 /20:43282 /21:51185 /22:109753 /23:98620 /24:558247 /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 6483 7397 UNI2-AS, ES 8151 5888 11870 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3546 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2928 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 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) ---------------------------------------------- 1:2207 2:1431 3:266 4:5 5:4381 6:137 7:6 8:1496 9:1 11:172 12:1498 13:372 14:2309 15:303 16:194 17:366 18:660 20:308 21:4 22:188 23:6453 24:2518 25:2 27:2576 29:19 31:2542 32:75 34:26 35:114 36:2000 37:4528 38:5414 39:865 40:143 41:4015 42:2024 43:2264 44:321 45:16629 46:4281 47:371 49:1832 50:1884 51:582 52:1596 54:393 55:948 56:5 57:128 58:1786 59:1116 60:1005 61:2543 62:2676 63:1909 64:5644 65:2350 66:4967 67:3036 68:1342 69:4124 70:1186 71:639 72:2942 74:2618 75:1566 76:630 77:2297 78:1824 79:3007 80:2104 81:1825 82:1516 83:1308 84:1563 85:3054 86:759 87:2012 88:1211 89:3928 90:625 91:7858 92:2065 93:2627 94:3543 95:4075 96:1300 97:316 98:1082 99:736 100:91 101:1281 102:2878 103:32134 104:4735 105:578 106:908 107:2719 108:1133 109:4238 110:2135 111:3144 112:2051 113:1749 114:1693 115:1995 116:1893 117:2532 118:2700 119:1959 120:1782 121:1139 122:2598 123:2170 124:1578 125:2567 128:1404 129:911 130:1040 131:1955 132:856 133:408 134:1781 135:304 136:909 137:975 138:2654 139:1587 140:1298 141:1331 142:1513 143:1516 144:1007 145:350 146:1959 147:1610 148:2447 149:2327 150:877 151:1232 152:1957 153:523 154:5139 155:1391 156:2003 157:1341 158:1054 159:2196 160:2634 161:1595 162:3509 163:1610 164:1702 165:1857 166:1066 167:1741 168:3804 169:790 170:4603 171:952 172:3793 173:2975 174:981 175:1181 176:3779 177:4510 178:3552 179:2137 180:2464 181:3516 182:3376 183:1991 184:2276 185:20622 186:4715 187:4172 188:4170 189:3890 190:9295 191:1372 192:10943 193:8946 194:7292 195:5209 196:3188 197:2593 198:5920 199:6248 200:7951 201:6175 202:10191 203:9968 204:4532 205:3685 206:4326 207:3410 208:4095 209:4888 210:4213 211:2448 212:4287 213:3392 214:1108 215:70 216:6695 217:2769 218:1270 219:407 220:1803 221:983 222:664 223:2147 End of report