IPv4 R&E Routing Table Report 23:05 GMT Thu 11 Jul, 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: 946062 Prefixes after maximum aggregation (per Origin AS): 362292 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465689 Number of IPv4 prefixes with a valid ROA: 485152 Number of IPv4 prefixes with an invalid ROA: 1144 Number of IPv4 prefixes with no ROA: 459766 Total ASes present in the Internet Routing Table: 75713 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 65119 Origin ASes announcing only one prefix: 26629 Transit ASes present in the Internet Routing Table: 10594 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1027 Number of 32-bit ASNs allocated by the RIRs: 44986 Number of 32-bit ASNs visible in the Routing Table: 36622 Prefixes from 32-bit ASNs in the Routing Table: 187937 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 561 Number of addresses announced to Internet: 3026057472 Equivalent to 180 /8s, 93 /16s and 249 /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: 310786 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249747 Total APNIC prefixes after maximum aggregation: 73760 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241633 Unique aggregates announced from the APNIC address blocks: 101590 APNIC Region origin ASes present in the Internet Routing Table: 14144 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4285 APNIC Region transit ASes present in the Internet Routing Table: 1880 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9610 Number of APNIC addresses announced to Internet: 761275648 Equivalent to 45 /8s, 96 /16s and 37 /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: 276366 Total ARIN prefixes after maximum aggregation: 125052 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280829 Unique aggregates announced from the ARIN address blocks: 134528 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.71 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4928 Number of ARIN addresses announced to Internet: 1267002112 Equivalent to 75 /8s, 132 /16s and 235 /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: 265615 Total RIPE prefixes after maximum aggregation: 127476 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260695 Unique aggregates announced from the RIPE address blocks: 165278 RIPE Region origin ASes present in the Internet Routing Table: 28623 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12094 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11870 Number of RIPE addresses announced to Internet: 715063552 Equivalent to 42 /8s, 159 /16s and 1 /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: 121468 Total LACNIC prefixes after maximum aggregation: 29098 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119476 Unique aggregates announced from the LACNIC address blocks: 50038 LACNIC Region origin ASes present in the Internet Routing Table: 11108 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2417 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9000 Number of LACNIC addresses announced to Internet: 177113856 Equivalent to 10 /8s, 142 /16s and 139 /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: 31850 Total AfriNIC prefixes after maximum aggregation: 6234 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 42868 Unique aggregates announced from the AfriNIC address blocks: 13797 AfriNIC Region origin ASes present in the Internet Routing Table: 1851 AfriNIC Prefixes per ASN: 23.16 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214 Number of AfriNIC addresses announced to Internet: 105233664 Equivalent to 6 /8s, 69 /16s and 189 /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 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4210 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3962 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3642 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3253 1840 102 VNPT-AS-VN VNPT Corp, VN 24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2199 434 201 TATACOMM-AS TATA Communications formerly 45090 2192 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10092 11532 3676 AMAZON-02, US 11492 4627 307 563 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3781 8791 888 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 2999 1291 2164 AKAMAI-AS, US 7018 2947 23687 1843 ATT-INTERNET4, US 396982 2769 3611 417 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 7705 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3796 3396 129 AKAMAI-ASN1, NL 9009 3564 304 1811 M247, RO 12389 2871 2293 859 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1714 123 1246 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1516 1852 14 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 11892 3310 512 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2543 354 681 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 777 200 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 26615 1081 2503 53 TIM SA, BR 6147 1080 369 22 Telefonica del Peru S.A.A., PE 22884 1062 97 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1610 389 18 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 29571 1260 80 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 941 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 506 56 57 WANANCHI-, KE 36914 500 82 3 KENET-AS, KE 37342 433 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 11892 3310 512 UNINET, MX 16509 10092 11532 3676 AMAZON-02, US 9808 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7705 1708 145 UNI2-AS, ES 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4627 307 563 CABLEONE, US 18403 4210 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3962 1331 21 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 9843 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7560 UNI2-AS, ES 16509 10092 6416 AMAZON-02, US 7545 5660 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4210 4187 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4627 4064 CABLEONE, US 7552 3962 3941 VIETEL-AS-AP Viettel Group, VN 20940 3796 3667 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /10:37 /11:92 /12:294 /13:570 /14:1165 /15:2054 /16:13183 /17:8145 /18:13596 /19:24319 /20:43074 /21:51172 /22:110513 /23:99151 /24:578659 /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 6791 7705 UNI2-AS, ES 8151 5954 11892 UNINET, MX 11492 3537 4627 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3391 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2559 3421 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2128 10092 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2311 2:1500 3:371 4:6 5:4368 6:149 7:6 8:1498 9:1 11:172 12:1434 13:359 14:2356 15:322 16:219 17:369 18:773 20:388 21:4 22:188 23:6874 24:2689 25:2 27:2620 29:19 31:2590 32:45 34:65 35:134 36:2345 37:4497 38:8066 39:907 40:149 41:4100 42:1989 43:2365 44:324 45:17325 46:4519 47:299 49:1963 50:1890 51:579 52:1572 54:318 55:922 56:8 57:216 58:2136 59:1193 60:1048 61:2675 62:2757 63:1874 64:5479 65:2310 66:4604 67:2983 68:1302 69:4062 70:1160 71:556 72:2859 74:2595 75:1546 76:620 77:2489 78:1865 79:1785 80:2175 81:2023 82:1643 83:1365 84:1681 85:3169 86:923 87:2029 88:1239 89:4178 90:690 91:8155 92:2336 93:2704 94:3728 95:4183 96:1267 97:317 98:1028 99:738 100:73 101:1164 102:3494 103:32253 104:4755 105:696 106:994 107:2480 108:1147 109:4042 110:2129 111:3247 112:2048 113:1811 114:1809 115:2074 116:1948 117:2662 118:2798 119:1980 120:1781 121:1300 122:2690 123:2253 124:1609 125:2834 126:32 128:1383 129:919 130:1164 131:1866 132:804 133:414 134:1731 135:318 136:1121 137:1048 138:2852 139:1523 140:1415 141:1372 142:1650 143:1558 144:1019 145:358 146:2084 147:1997 148:2531 149:2760 150:1037 151:1363 152:2217 153:521 154:7011 155:1492 156:2313 157:1871 158:1169 159:2434 160:2791 161:1690 162:3524 163:1697 164:1672 165:2129 166:1244 167:1813 168:4030 169:797 170:4966 171:1027 172:3876 173:3052 174:889 175:1242 176:3444 177:4662 178:3671 179:2199 180:2415 181:3789 182:3332 183:1978 184:2256 185:20828 186:4958 187:4380 188:4050 189:4173 190:9477 191:1493 192:11005 193:9148 194:7513 195:5303 196:3205 197:2680 198:5909 199:7956 200:8083 201:6270 202:10214 203:10245 204:4556 205:3633 206:4434 207:3492 208:4149 209:4996 210:4394 211:2529 212:4352 213:3591 214:1054 215:49 216:6741 217:3063 218:1316 219:417 220:1795 221:1035 222:691 223:2225 End of report