IPv4 R&E Routing Table Report 23:05 GMT Mon 25 Mar, 2024 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: 935498 Prefixes after maximum aggregation (per Origin AS): 358022 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458464 Number of IPv4 prefixes with a valid ROA: 455345 Number of IPv4 prefixes with an invalid ROA: 990 Number of IPv4 prefixes with no ROA: 479163 Total ASes present in the Internet Routing Table: 75356 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64838 Origin ASes announcing only one prefix: 26558 Transit ASes present in the Internet Routing Table: 10518 Transit-only ASes present in the Internet Routing Table: 483 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1053 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 43902 Number of 32-bit ASNs visible in the Routing Table: 36020 Prefixes from 32-bit ASNs in the Routing Table: 182445 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: 589 Number of addresses announced to Internet: 3027773952 Equivalent to 180 /8s, 120 /16s and 42 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 308883 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246373 Total APNIC prefixes after maximum aggregation: 72357 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239092 Unique aggregates announced from the APNIC address blocks: 100028 APNIC Region origin ASes present in the Internet Routing Table: 13955 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4213 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9397 Number of APNIC addresses announced to Internet: 760304640 Equivalent to 45 /8s, 81 /16s and 84 /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: 273250 Total ARIN prefixes after maximum aggregation: 123760 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277803 Unique aggregates announced from the ARIN address blocks: 132554 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4861 Number of ARIN addresses announced to Internet: 1269465344 Equivalent to 75 /8s, 170 /16s and 129 /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: 263001 Total RIPE prefixes after maximum aggregation: 126286 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257909 Unique aggregates announced from the RIPE address blocks: 162761 RIPE Region origin ASes present in the Internet Routing Table: 28563 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11669 Number of RIPE addresses announced to Internet: 714795776 Equivalent to 42 /8s, 154 /16s and 235 /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: 121220 Total LACNIC prefixes after maximum aggregation: 28782 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119594 Unique aggregates announced from the LACNIC address blocks: 49620 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2619 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177200384 Equivalent to 10 /8s, 143 /16s and 221 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30601 Total AfriNIC prefixes after maximum aggregation: 6142 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 40511 Unique aggregates announced from the AfriNIC address blocks: 13030 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 22.34 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1182 Number of AfriNIC addresses announced to Internet: 105696000 Equivalent to 6 /8s, 76 /16s and 203 /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 9847 8741 60 CHINAMOBILE-CN China Mobile Communicati 7545 5657 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4592 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 434 198 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9734 11355 3410 AMAZON-02, US 11492 4595 305 619 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3602 1320 75 SHAW, CA 22773 3598 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3496 6651 690 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3142 1347 2242 AKAMAI-AS, US 367 2913 3630 1383 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7694 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 125 AKAMAI-ASN1, NL 9009 3262 283 1595 M247, RO 12389 2913 2304 906 ROSTELECOM-AS, RU 8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1526 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 STARK-INDUSTRIES, GB 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 12342 3321 494 UNINET, MX 10620 3525 496 892 Telmex Colombia S.A., CO 13999 2513 342 658 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1071 2503 53 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1205 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 478 82 3 KENET-AS, KE 24757 427 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 12342 3321 494 UNINET, MX 9808 9847 8741 60 CHINAMOBILE-CN China Mobile Communicati 16509 9734 11355 3410 AMAZON-02, US 12479 7694 1714 147 UNI2-AS, ES 7545 5657 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4595 305 619 CABLEONE, US 18403 4592 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9847 9787 CHINAMOBILE-CN China Mobile Communications Grou 12479 7694 7547 UNI2-AS, ES 16509 9734 6324 AMAZON-02, US 7545 5657 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4592 4567 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4595 3976 CABLEONE, US 7552 3854 3834 VIETEL-AS-AP Viettel Group, VN 20940 3845 3720 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:298 /13:578 /14:1191 /15:2062 /16:13235 /17:8125 /18:13565 /19:24505 /20:43087 /21:50903 /22:110064 /23:98115 /24:569601 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6807 7694 UNI2-AS, ES 8151 6353 12342 UNINET, MX 11492 3508 4595 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2644 3598 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2122 2646 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2272 2:1472 3:318 4:6 5:4516 6:162 7:6 8:1499 9:1 11:172 12:1462 13:377 14:2363 15:318 16:210 17:367 18:752 20:355 21:4 22:188 23:6621 24:2628 25:2 27:2551 29:19 31:2626 32:46 34:61 35:123 36:2239 37:4491 38:7120 39:894 40:125 41:4036 42:2206 43:2321 44:315 45:16932 46:4388 47:298 49:1893 50:1892 51:570 52:1579 54:307 55:986 56:5 57:163 58:1974 59:1125 60:1027 61:2608 62:2703 63:1903 64:5529 65:2322 66:4680 67:3057 68:1334 69:4076 70:1196 71:575 72:2898 74:2563 75:1550 76:628 77:2420 78:1843 79:2477 80:2160 81:1934 82:1515 83:1283 84:1637 85:3077 86:826 87:2016 88:1238 89:4045 90:684 91:8021 92:2200 93:2647 94:3643 95:4148 96:1304 97:312 98:1037 99:743 100:92 101:1167 102:3070 103:32454 104:4783 105:635 106:928 107:2756 108:1110 109:4057 110:2135 111:3176 112:2062 113:1765 114:1772 115:2000 116:1868 117:2616 118:2841 119:1958 120:1786 121:1269 122:2682 123:2195 124:1560 125:2839 126:32 128:1416 129:919 130:1085 131:1826 132:797 133:410 134:1731 135:316 136:943 137:1032 138:2802 139:1541 140:1373 141:1354 142:1601 143:1491 144:1007 145:345 146:2020 147:1725 148:2490 149:2568 150:1034 151:1335 152:1970 153:523 154:6118 155:1378 156:2230 157:1637 158:1073 159:2254 160:2600 161:1634 162:3596 163:1710 164:1626 165:2123 166:1062 167:1761 168:3923 169:787 170:4690 171:1002 172:3823 173:3040 174:903 175:1200 176:3663 177:4635 178:3577 179:2252 180:2365 181:3672 182:3363 183:2037 184:2264 185:20595 186:4918 187:4507 188:4049 189:4102 190:9279 191:1600 192:10967 193:9042 194:7444 195:5244 196:3145 197:2381 198:5894 199:7522 200:7973 201:6312 202:10161 203:10135 204:4543 205:3706 206:4433 207:3367 208:4121 209:5000 210:4392 211:2484 212:4268 213:3372 214:1084 215:50 216:6756 217:2816 218:1312 219:406 220:1821 221:1029 222:693 223:2203 End of report