IPv4 R&E Routing Table Report 23:05 GMT Thu 25 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: 940724 Prefixes after maximum aggregation (per Origin AS): 360157 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461154 Number of IPv4 prefixes with a valid ROA: 465832 Number of IPv4 prefixes with an invalid ROA: 1393 Number of IPv4 prefixes with no ROA: 473499 Total ASes present in the Internet Routing Table: 75524 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64978 Origin ASes announcing only one prefix: 26615 Transit ASes present in the Internet Routing Table: 10546 Transit-only ASes present in the Internet Routing Table: 488 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: 44257 Number of 32-bit ASNs visible in the Routing Table: 36236 Prefixes from 32-bit ASNs in the Routing Table: 184885 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: 592 Number of addresses announced to Internet: 3026916608 Equivalent to 180 /8s, 107 /16s and 21 /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: 310342 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248132 Total APNIC prefixes after maximum aggregation: 73004 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240362 Unique aggregates announced from the APNIC address blocks: 100518 APNIC Region origin ASes present in the Internet Routing Table: 14019 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4251 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9463 Number of APNIC addresses announced to Internet: 760730368 Equivalent to 45 /8s, 87 /16s and 211 /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: 274472 Total ARIN prefixes after maximum aggregation: 124611 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 279262 Unique aggregates announced from the ARIN address blocks: 133555 ARIN Region origin ASes present in the Internet Routing Table: 19107 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1909 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: 4886 Number of ARIN addresses announced to Internet: 1268444672 Equivalent to 75 /8s, 154 /16s and 238 /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: 264810 Total RIPE prefixes after maximum aggregation: 126799 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 259583 Unique aggregates announced from the RIPE address blocks: 163853 RIPE Region origin ASes present in the Internet Routing Table: 28600 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11736 Number of RIPE addresses announced to Internet: 714414080 Equivalent to 42 /8s, 149 /16s and 24 /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: 121267 Total LACNIC prefixes after maximum aggregation: 28877 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119484 Unique aggregates announced from the LACNIC address blocks: 49594 LACNIC Region origin ASes present in the Internet Routing Table: 11077 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2624 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: 8952 Number of LACNIC addresses announced to Internet: 177125888 Equivalent to 10 /8s, 142 /16s and 186 /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: 30999 Total AfriNIC prefixes after maximum aggregation: 6175 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 41441 Unique aggregates announced from the AfriNIC address blocks: 13171 AfriNIC Region origin ASes present in the Internet Routing Table: 1831 AfriNIC Prefixes per ASN: 22.63 AfriNIC Region origin ASes announcing only one prefix: 649 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: 1199 Number of AfriNIC addresses announced to Internet: 105886464 Equivalent to 6 /8s, 79 /16s and 179 /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 9878 8743 62 CHINAMOBILE-CN China Mobile Communicati 7545 5666 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4623 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 3601 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2781 863 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 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 9825 11361 3489 AMAZON-02, US 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3613 1320 79 SHAW, CA 174 3563 6629 834 COGENT-174, US 22773 3498 3042 230 ASN-CXA-ALL-CCI-22773-RDC, US 749 3200 54911 2452 DNIC-AS-00749, US 16625 3078 1308 2197 AKAMAI-AS, US 367 2829 3549 1355 DNIC-ASBLK-00306-00371, US 7018 2785 23653 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 7702 1708 144 UNI2-AS, ES 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 3861 3396 129 AKAMAI-ASN1, NL 9009 3295 285 1617 M247, RO 12389 2726 2290 861 ROSTELECOM-AS, RU 8551 2634 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2347 363 584 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1563 1852 14 TE-AS TE-AS, EG 44477 1531 100 725 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 12408 3319 491 UNINET, MX 10620 3526 495 909 Telmex Colombia S.A., CO 13999 2523 350 666 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 1159 176 429 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 374 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 1503 389 20 LINKdotNET-AS, EG 36992 1370 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 530 56 54 WANANCHI-, KE 36914 471 82 3 KENET-AS, KE 24757 435 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 12408 3319 491 UNINET, MX 9808 9878 8743 62 CHINAMOBILE-CN China Mobile Communicati 16509 9825 11361 3489 AMAZON-02, US 12479 7702 1708 144 UNI2-AS, ES 7545 5666 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 285 59 ALJAWWALSTC-AS, SA 18403 4623 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 9878 9816 CHINAMOBILE-CN China Mobile Communications Grou 12479 7702 7558 UNI2-AS, ES 16509 9825 6336 AMAZON-02, US 7545 5666 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4682 ALJAWWALSTC-AS, SA 18403 4623 4600 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 3861 3732 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 /14:1182 /15:2060 /16:13217 /17:8136 /18:13568 /19:24486 /20:42985 /21:51013 /22:110413 /23:98563 /24:574056 /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 6813 7702 UNI2-AS, ES 8151 6432 12408 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 2154 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2139 3526 Telmex Colombia S.A., CO 8551 2110 2634 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 2:1481 3:331 4:6 5:4521 6:163 7:6 8:1505 9:1 11:172 12:1461 13:365 14:2365 15:318 16:209 17:367 18:766 20:363 21:4 22:188 23:6719 24:2707 25:2 27:2598 29:19 31:2588 32:45 34:62 35:128 36:2296 37:4465 38:7343 39:893 40:125 41:4090 42:2224 43:2344 44:314 45:17000 46:4448 47:307 49:1896 50:1922 51:573 52:1583 54:310 55:997 56:5 57:167 58:2017 59:1184 60:1031 61:2623 62:2690 63:1896 64:5523 65:2344 66:4650 67:2999 68:1319 69:4110 70:1189 71:577 72:2888 74:2591 75:1549 76:607 77:2461 78:1850 79:2510 80:2189 81:2007 82:1561 83:1332 84:1652 85:3136 86:849 87:1967 88:1239 89:4097 90:671 91:8104 92:2296 93:2676 94:3655 95:4127 96:1294 97:315 98:1044 99:742 100:74 101:1171 102:3143 103:32543 104:4843 105:655 106:934 107:2790 108:1104 109:4045 110:2145 111:3248 112:2059 113:1810 114:1777 115:2036 116:1875 117:2629 118:2846 119:1969 120:1777 121:1264 122:2675 123:2201 124:1610 125:2849 126:32 128:1432 129:926 130:1125 131:1846 132:796 133:410 134:1731 135:321 136:948 137:1032 138:2815 139:1538 140:1390 141:1364 142:1584 143:1477 144:1000 145:359 146:2067 147:1859 148:2499 149:2692 150:1033 151:1345 152:2041 153:524 154:6474 155:1458 156:2450 157:1742 158:1151 159:2314 160:2656 161:1654 162:3562 163:1695 164:1638 165:2126 166:1165 167:1786 168:3858 169:794 170:4816 171:998 172:3818 173:3038 174:893 175:1206 176:3633 177:4671 178:3721 179:2216 180:2356 181:3716 182:3389 183:2048 184:2268 185:20710 186:4966 187:4446 188:4063 189:4145 190:9373 191:1466 192:10937 193:9075 194:7478 195:5250 196:3155 197:2452 198:5911 199:7691 200:7919 201:6315 202:10208 203:10141 204:4555 205:3733 206:4447 207:3415 208:4126 209:5014 210:4388 211:2485 212:4263 213:3426 214:1064 215:50 216:6763 217:2948 218:1312 219:407 220:1823 221:1033 222:700 223:2213 End of report