IPv4 R&E Routing Table Report 23:05 GMT Thu 28 Sep, 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: 923526 Prefixes after maximum aggregation (per Origin AS): 352071 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452958 Number of IPv4 prefixes with a valid ROA: 421948 Number of IPv4 prefixes with an invalid ROA: 1643 Number of IPv4 prefixes with no ROA: 499935 Total ASes present in the Internet Routing Table: 74661 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64226 Origin ASes announcing only one prefix: 26401 Transit ASes present in the Internet Routing Table: 10435 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 42705 Number of 32-bit ASNs visible in the Routing Table: 35096 Prefixes from 32-bit ASNs in the Routing Table: 174993 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3053202688 Equivalent to 181 /8s, 252 /16s and 45 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308327 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241332 Total APNIC prefixes after maximum aggregation: 70148 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234964 Unique aggregates announced from the APNIC address blocks: 98778 APNIC Region origin ASes present in the Internet Routing Table: 13567 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4056 APNIC Region transit ASes present in the Internet Routing Table: 1805 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8961 Number of APNIC addresses announced to Internet: 772326400 Equivalent to 46 /8s, 8 /16s and 196 /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: 271308 Total ARIN prefixes after maximum aggregation: 123331 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274842 Unique aggregates announced from the ARIN address blocks: 131766 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1277832448 Equivalent to 76 /8s, 42 /16s and 45 /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: 261477 Total RIPE prefixes after maximum aggregation: 123595 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256728 Unique aggregates announced from the RIPE address blocks: 160020 RIPE Region origin ASes present in the Internet Routing Table: 28396 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11335 Number of RIPE addresses announced to Internet: 716456960 Equivalent to 42 /8s, 180 /16s and 68 /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: 118328 Total LACNIC prefixes after maximum aggregation: 28335 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117263 Unique aggregates announced from the LACNIC address blocks: 49350 LACNIC Region origin ASes present in the Internet Routing Table: 11027 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8845 Number of LACNIC addresses announced to Internet: 178491392 Equivalent to 10 /8s, 163 /16s and 144 /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: 30082 Total AfriNIC prefixes after maximum aggregation: 5967 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39204 Unique aggregates announced from the AfriNIC address blocks: 12607 AfriNIC Region origin ASes present in the Internet Routing Table: 1791 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1135 Number of AfriNIC addresses announced to Internet: 107670784 Equivalent to 6 /8s, 106 /16s and 237 /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 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5735 801 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3592 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3327 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3169 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2517 848 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 201 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 9090 10991 3239 AMAZON-02, US 11492 4535 301 668 CABLEONE, US 7155 4174 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3530 3039 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 3008 3838 1422 DNIC-ASBLK-00306-00371, US 16625 2980 1405 2281 AKAMAI-AS, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 30036 2497 359 383 MEDIACOM-ENTERPRISE-BUSINESS, 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 7388 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4054 3398 152 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 2900 265 1484 M247, RO 12389 2891 2296 913 ROSTELECOM-AS, RU 34984 2336 363 594 TELLCOM-AS, TR 58224 1723 923 527 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1488 1852 16 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 11810 3382 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2404 330 619 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1104 179 428 Techtel LMDS Comunicaciones Interactiva 26615 1034 2501 49 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 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 471 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 11810 3382 601 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9090 10991 3239 AMAZON-02, US 12479 7388 1713 145 UNI2-AS, ES 7545 5735 801 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4535 301 668 CABLEONE, US 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4174 288 96 VIASAT-SP-BACKBONE, US 20940 4054 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 9484 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7388 7243 UNI2-AS, ES 16509 9090 5851 AMAZON-02, US 7545 5735 5043 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4254 4229 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4078 VIASAT-SP-BACKBONE, US 20940 4054 3902 AKAMAI-ASN1, NL 11492 4535 3867 CABLEONE, US 7552 3592 3572 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:100 /12:297 /13:575 /14:1192 /15:2094 /16:13444 /17:8216 /18:13741 /19:24829 /20:43177 /21:50812 /22:109584 /23:98606 /24:556782 /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 6475 7388 UNI2-AS, ES 8151 5828 11810 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3447 4535 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3120 4174 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2580 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3542 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) ---------------------------------------------- 1:2209 2:1402 3:265 4:5 5:4442 6:137 7:6 8:1499 9:1 11:172 12:1512 13:363 14:2319 15:303 16:195 17:368 18:659 20:287 21:4 22:188 23:6408 24:2502 25:2 27:2583 29:19 31:2534 32:75 34:26 35:114 36:2000 37:4517 38:5364 39:864 40:144 41:4013 42:2061 43:2267 44:321 45:16609 46:4275 47:369 49:1820 50:1877 51:590 52:1594 54:392 55:965 56:5 57:123 58:1792 59:1118 60:1005 61:2541 62:2681 63:1911 64:5646 65:2368 66:4931 67:3034 68:1338 69:4134 70:1192 71:668 72:2942 74:2617 75:1560 76:629 77:2297 78:1826 79:2987 80:2108 81:1828 82:1498 83:1297 84:1540 85:3065 86:770 87:2004 88:1202 89:3902 90:621 91:7805 92:2062 93:2610 94:3513 95:4022 96:1298 97:315 98:1079 99:731 100:90 101:1285 102:2871 103:32051 104:4723 105:576 106:905 107:2694 108:1128 109:4239 110:2132 111:3141 112:2059 113:1750 114:1683 115:1995 116:1874 117:2534 118:2698 119:1962 120:1776 121:1121 122:2597 123:2166 124:1571 125:2522 128:1393 129:910 130:1038 131:1973 132:858 133:408 134:1779 135:306 136:972 137:974 138:2624 139:1578 140:1288 141:1325 142:1503 143:1551 144:1003 145:352 146:1939 147:1601 148:2432 149:2274 150:875 151:1229 152:1982 153:519 154:5052 155:1377 156:1952 157:1335 158:1055 159:2242 160:2634 161:1587 162:3539 163:1598 164:1691 165:1860 166:1056 167:1735 168:3730 169:874 170:4623 171:920 172:3765 173:2957 174:981 175:1180 176:3773 177:4450 178:3536 179:2155 180:2473 181:3513 182:3367 183:1993 184:2276 185:20551 186:4701 187:4178 188:4163 189:3856 190:9240 191:1360 192:10955 193:8950 194:7303 195:5204 196:3181 197:2478 198:5925 199:6130 200:7843 201:6045 202:10186 203:9999 204:4542 205:3693 206:4316 207:3398 208:4126 209:4869 210:4211 211:2446 212:4268 213:3388 214:1114 215:70 216:6689 217:2779 218:1266 219:405 220:1800 221:981 222:663 223:2146 End of report