IPv4 R&E Routing Table Report 23:05 GMT Wed 24 Apr, 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: 940102 Prefixes after maximum aggregation (per Origin AS): 359901 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461045 Number of IPv4 prefixes with a valid ROA: 465445 Number of IPv4 prefixes with an invalid ROA: 1187 Number of IPv4 prefixes with no ROA: 473470 Total ASes present in the Internet Routing Table: 75500 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64951 Origin ASes announcing only one prefix: 26583 Transit ASes present in the Internet Routing Table: 10549 Transit-only ASes present in the Internet Routing Table: 490 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 (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1044 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 44237 Number of 32-bit ASNs visible in the Routing Table: 36211 Prefixes from 32-bit ASNs in the Routing Table: 184883 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: 594 Number of addresses announced to Internet: 3027088384 Equivalent to 180 /8s, 109 /16s and 180 /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: 310184 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248117 Total APNIC prefixes after maximum aggregation: 72960 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240300 Unique aggregates announced from the APNIC address blocks: 100471 APNIC Region origin ASes present in the Internet Routing Table: 14012 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4252 APNIC Region transit ASes present in the Internet Routing Table: 1860 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9458 Number of APNIC addresses announced to Internet: 760737280 Equivalent to 45 /8s, 87 /16s and 238 /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: 274253 Total ARIN prefixes after maximum aggregation: 124464 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 279043 Unique aggregates announced from the ARIN address blocks: 133460 ARIN Region origin ASes present in the Internet Routing Table: 19096 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1907 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: 4881 Number of ARIN addresses announced to Internet: 1268536064 Equivalent to 75 /8s, 156 /16s and 83 /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, 393216-402332 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: 264486 Total RIPE prefixes after maximum aggregation: 126750 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 259322 Unique aggregates announced from the RIPE address blocks: 163925 RIPE Region origin ASes present in the Internet Routing Table: 28590 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11727 Number of RIPE addresses announced to Internet: 714462720 Equivalent to 42 /8s, 149 /16s and 214 /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: 121184 Total LACNIC prefixes after maximum aggregation: 28873 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119394 Unique aggregates announced from the LACNIC address blocks: 49575 LACNIC Region origin ASes present in the Internet Routing Table: 11077 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2613 LACNIC Region transit ASes present in the Internet Routing Table: 2362 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: 8947 Number of LACNIC addresses announced to Internet: 177132032 Equivalent to 10 /8s, 142 /16s and 210 /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: 31018 Total AfriNIC prefixes after maximum aggregation: 6170 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41449 Unique aggregates announced from the AfriNIC address blocks: 13148 AfriNIC Region origin ASes present in the Internet Routing Table: 1831 AfriNIC Prefixes per ASN: 22.64 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1198 Number of AfriNIC addresses announced to Internet: 105904384 Equivalent to 6 /8s, 79 /16s and 249 /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 9875 8743 62 CHINAMOBILE-CN China Mobile Communicati 7545 5666 777 679 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4617 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3610 500 257 BBIL-AP BHARTI Airtel Ltd., IN 7713 3595 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 864 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 197 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 9826 11360 3478 AMAZON-02, US 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3613 1320 79 SHAW, CA 22773 3498 3042 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3434 6629 831 COGENT-174, US 749 3200 54911 2452 DNIC-AS-00749, US 16625 3078 1308 2197 AKAMAI-AS, US 367 2835 3551 1357 DNIC-ASBLK-00306-00371, US 7018 2783 23650 1785 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 7681 1708 144 UNI2-AS, ES 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 3851 3395 126 AKAMAI-ASN1, NL 9009 3295 285 1617 M247, RO 12389 2745 2260 864 ROSTELECOM-AS, RU 8551 2633 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1531 100 725 STARK-INDUSTRIES, GB 212238 1522 109 1103 CDNEXT, 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 12403 3319 491 UNINET, MX 10620 3526 495 909 Telmex Colombia S.A., CO 13999 2528 349 667 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1346 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1158 176 429 Techtel LMDS Comunicaciones Interactiva 6503 1130 314 478 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1069 114 375 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 1502 389 20 LINKdotNET-AS, EG 36992 1370 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1204 76 66 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 530 56 54 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 24757 401 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 12403 3319 491 UNINET, MX 9808 9875 8743 62 CHINAMOBILE-CN China Mobile Communicati 16509 9826 11360 3478 AMAZON-02, US 12479 7681 1708 144 UNI2-AS, ES 7545 5666 777 679 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 285 59 ALJAWWALSTC-AS, SA 18403 4617 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3881 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 9875 9813 CHINAMOBILE-CN China Mobile Communications Grou 12479 7681 7537 UNI2-AS, ES 16509 9826 6348 AMAZON-02, US 7545 5666 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4682 ALJAWWALSTC-AS, SA 18403 4617 4594 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4597 3979 CABLEONE, US 7552 3881 3861 VIETEL-AS-AP Viettel Group, VN 20940 3851 3725 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy 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 /14:1196 /15:2062 /16:13221 /17:8135 /18:13559 /19:24479 /20:42965 /21:50908 /22:110371 /23:98517 /24:573644 /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 6792 7681 UNI2-AS, ES 8151 6429 12403 UNINET, MX 11492 3510 4597 CABLEONE, US 39891 3424 4741 ALJAWWALSTC-AS, SA 6327 3410 3613 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2597 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2139 3526 Telmex Colombia S.A., CO 8551 2109 2633 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) ---------------------------------------------- 1:2299 2:1485 3:331 4:6 5:4522 6:163 7:6 8:1506 9:1 11:172 12:1459 13:364 14:2362 15:318 16:209 17:367 18:766 20:361 21:4 22:188 23:6689 24:2699 25:2 27:2594 29:19 31:2680 32:45 34:63 35:128 36:2297 37:4465 38:7340 39:893 40:125 41:4112 42:2210 43:2344 44:315 45:17006 46:4447 47:307 49:1896 50:1925 51:573 52:1582 54:310 55:988 56:5 57:167 58:2016 59:1186 60:1030 61:2619 62:2693 63:1896 64:5525 65:2344 66:4640 67:2997 68:1318 69:4097 70:1188 71:580 72:2893 74:2589 75:1551 76:607 77:2445 78:1850 79:2504 80:2188 81:1991 82:1562 83:1327 84:1651 85:3134 86:846 87:1968 88:1240 89:4083 90:666 91:8104 92:2273 93:2676 94:3657 95:4136 96:1291 97:315 98:1044 99:742 100:74 101:1171 102:3161 103:32508 104:4848 105:655 106:942 107:2796 108:1107 109:4088 110:2145 111:3246 112:2059 113:1809 114:1788 115:2034 116:1872 117:2623 118:2845 119:1969 120:1780 121:1264 122:2673 123:2203 124:1608 125:2849 126:32 128:1432 129:926 130:1124 131:1850 132:797 133:410 134:1730 135:322 136:946 137:1033 138:2819 139:1537 140:1390 141:1365 142:1584 143:1483 144:999 145:353 146:2055 147:1858 148:2484 149:2571 150:1036 151:1344 152:2041 153:524 154:6482 155:1458 156:2486 157:1742 158:1150 159:2316 160:2648 161:1646 162:3553 163:1690 164:1636 165:2127 166:1168 167:1783 168:3870 169:794 170:4789 171:998 172:3803 173:3036 174:893 175:1206 176:3636 177:4630 178:3587 179:2214 180:2359 181:3682 182:3389 183:2048 184:2272 185:20712 186:4965 187:4442 188:4062 189:4141 190:9387 191:1455 192:10920 193:9070 194:7474 195:5245 196:3140 197:2459 198:5896 199:7673 200:7942 201:6318 202:10193 203:10141 204:4559 205:3729 206:4451 207:3421 208:4127 209:5010 210:4389 211:2486 212:4275 213:3427 214:1064 215:49 216:6768 217:2942 218:1312 219:405 220:1823 221:1033 222:700 223:2209 End of report