IPv4 R&E Routing Table Report 23:05 GMT Thu 14 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: 933822 Prefixes after maximum aggregation (per Origin AS): 357314 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457459 Number of IPv4 prefixes with a valid ROA: 453106 Number of IPv4 prefixes with an invalid ROA: 1083 Number of IPv4 prefixes with no ROA: 479633 Total ASes present in the Internet Routing Table: 75258 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64761 Origin ASes announcing only one prefix: 26579 Transit ASes present in the Internet Routing Table: 10497 Transit-only ASes present in the Internet Routing Table: 476 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 43818 Number of 32-bit ASNs visible in the Routing Table: 35922 Prefixes from 32-bit ASNs in the Routing Table: 181498 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: 560 Number of addresses announced to Internet: 3025312000 Equivalent to 180 /8s, 82 /16s and 153 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 308414 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246235 Total APNIC prefixes after maximum aggregation: 72182 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239024 Unique aggregates announced from the APNIC address blocks: 99714 APNIC Region origin ASes present in the Internet Routing Table: 13950 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4229 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9377 Number of APNIC addresses announced to Internet: 760130816 Equivalent to 45 /8s, 78 /16s and 173 /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: 273474 Total ARIN prefixes after maximum aggregation: 123638 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278003 Unique aggregates announced from the ARIN address blocks: 132654 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6960 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: 4854 Number of ARIN addresses announced to Internet: 1270037248 Equivalent to 75 /8s, 179 /16s and 59 /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: 262968 Total RIPE prefixes after maximum aggregation: 126158 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257765 Unique aggregates announced from the RIPE address blocks: 162489 RIPE Region origin ASes present in the Internet Routing Table: 28564 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12135 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11652 Number of RIPE addresses announced to Internet: 714385664 Equivalent to 42 /8s, 148 /16s and 169 /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: 121201 Total LACNIC prefixes after maximum aggregation: 28746 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119656 Unique aggregates announced from the LACNIC address blocks: 49535 LACNIC Region origin ASes present in the Internet Routing Table: 11061 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2356 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8920 Number of LACNIC addresses announced to Internet: 177458688 Equivalent to 10 /8s, 147 /16s and 206 /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: 28862 Total AfriNIC prefixes after maximum aggregation: 5869 AfriNIC Deaggregation factor: 4.92 Prefixes being announced from the AfriNIC address blocks: 38814 Unique aggregates announced from the AfriNIC address blocks: 12623 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 22.33 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: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1119 Number of AfriNIC addresses announced to Internet: 102979840 Equivalent to 6 /8s, 35 /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 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3600 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3511 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2760 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9726 11335 3342 AMAZON-02, US 11492 4575 304 651 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3600 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3442 6645 675 COGENT-174, US 749 3193 54919 2445 DNIC-AS-00749, US 16625 3185 1379 2274 AKAMAI-AS, US 367 2926 3632 1410 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 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 7670 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3853 3395 125 AKAMAI-ASN1, NL 9009 3266 283 1592 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 1852 14 TE-AS TE-AS, EG 44477 1492 98 713 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 12574 3377 499 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2505 340 650 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1145 179 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 523 55 53 WANANCHI-, KE 36914 480 82 3 KENET-AS, KE 24757 427 73 5 EthioNet-AS, ET 37342 394 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 12574 3377 499 UNINET, MX 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9726 11335 3342 AMAZON-02, US 12479 7670 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4575 304 651 CABLEONE, US 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3853 3395 125 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 9822 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7523 UNI2-AS, ES 16509 9726 6384 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4573 4548 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4575 3924 CABLEONE, US 7552 3839 3819 VIETEL-AS-AP Viettel Group, VN 20940 3853 3728 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 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 395195 UNALLOCATED 8.38.115.0/24 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 23.173.152.0/24 Origin: 397423 TIER-NET, US 23.173.152.0/24 Transit: 3356 LEVEL3, 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 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 /11:96 /12:297 /13:573 /14:1186 /15:2057 /16:13223 /17:8070 /18:13550 /19:24492 /20:43045 /21:50840 /22:109998 /23:98179 /24:568142 /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 6783 7670 UNI2-AS, ES 8151 6491 12574 UNINET, MX 11492 3488 4575 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2647 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2506 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) ---------------------------------------------- 1:2267 2:1563 3:311 4:6 5:4515 6:162 7:6 8:1502 9:1 11:172 12:1465 13:382 14:2355 15:314 16:209 17:368 18:752 20:355 21:4 22:188 23:6608 24:2709 25:2 27:2628 29:19 31:2628 32:46 34:61 35:123 36:2207 37:4491 38:7313 39:894 40:125 41:3840 42:2193 43:2297 44:319 45:16869 46:4370 47:298 49:1896 50:1900 51:572 52:1587 54:312 55:966 56:5 57:152 58:1972 59:1122 60:1024 61:2607 62:2694 63:1902 64:5519 65:2318 66:4665 67:3049 68:1334 69:4070 70:1196 71:572 72:2897 74:2578 75:1550 76:631 77:2405 78:1841 79:2474 80:2149 81:1931 82:1502 83:1281 84:1638 85:3087 86:827 87:2000 88:1231 89:4014 90:682 91:7990 92:2190 93:2629 94:3638 95:4125 96:1289 97:312 98:1042 99:740 100:92 101:1162 102:2983 103:32418 104:4767 105:526 106:911 107:2761 108:1128 109:4065 110:2140 111:3185 112:2054 113:1765 114:1769 115:1997 116:1873 117:2616 118:2833 119:1957 120:1785 121:1270 122:2670 123:2195 124:1605 125:2830 126:28 128:1445 129:848 130:1082 131:1805 132:808 133:410 134:1715 135:311 136:933 137:1032 138:2807 139:1559 140:1367 141:1359 142:1551 143:1485 144:1016 145:343 146:2013 147:1704 148:2493 149:2559 150:1089 151:1330 152:1969 153:525 154:5802 155:1372 156:2238 157:1602 158:1100 159:2235 160:2102 161:1634 162:3590 163:1701 164:1616 165:2100 166:1063 167:1761 168:3934 169:778 170:4695 171:1004 172:3830 173:3028 174:904 175:1216 176:3646 177:4523 178:3581 179:2230 180:2370 181:3669 182:3361 183:2032 184:2263 185:20615 186:4921 187:4470 188:4018 189:4121 190:9312 191:1452 192:10958 193:9029 194:7441 195:5236 196:3031 197:2507 198:5905 199:7468 200:7987 201:6358 202:10206 203:10133 204:4561 205:3722 206:4447 207:3415 208:4131 209:4995 210:4384 211:2475 212:4302 213:3385 214:1104 215:43 216:6758 217:2807 218:1313 219:409 220:1826 221:1029 222:694 223:2207 End of report