IPv4 R&E Routing Table Report 23:05 GMT Fri 22 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: 935043 Prefixes after maximum aggregation (per Origin AS): 357787 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458244 Number of IPv4 prefixes with a valid ROA: 455310 Number of IPv4 prefixes with an invalid ROA: 1002 Number of IPv4 prefixes with no ROA: 478731 Total ASes present in the Internet Routing Table: 75337 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64706 Origin ASes announcing only one prefix: 26547 Transit ASes present in the Internet Routing Table: 10631 Transit-only ASes present in the Internet Routing Table: 482 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 43889 Number of 32-bit ASNs visible in the Routing Table: 36000 Prefixes from 32-bit ASNs in the Routing Table: 182255 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: 588 Number of addresses announced to Internet: 3027566080 Equivalent to 180 /8s, 116 /16s and 254 /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: 308683 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246580 Total APNIC prefixes after maximum aggregation: 72243 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239255 Unique aggregates announced from the APNIC address blocks: 99929 APNIC Region origin ASes present in the Internet Routing Table: 13963 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4217 APNIC Region transit ASes present in the Internet Routing Table: 1863 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9397 Number of APNIC addresses announced to Internet: 760211456 Equivalent to 45 /8s, 79 /16s and 232 /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: 273074 Total ARIN prefixes after maximum aggregation: 123661 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277794 Unique aggregates announced from the ARIN address blocks: 132602 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1914 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4860 Number of ARIN addresses announced to Internet: 1269435648 Equivalent to 75 /8s, 170 /16s and 13 /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: 262876 Total RIPE prefixes after maximum aggregation: 126268 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257915 Unique aggregates announced from the RIPE address blocks: 162688 RIPE Region origin ASes present in the Internet Routing Table: 28539 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11655 Number of RIPE addresses announced to Internet: 714787584 Equivalent to 42 /8s, 154 /16s and 203 /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: 120973 Total LACNIC prefixes after maximum aggregation: 28788 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119348 Unique aggregates announced from the LACNIC address blocks: 49589 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2619 LACNIC Region transit ASes present in the Internet Routing Table: 2379 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of LACNIC addresses announced to Internet: 177166848 Equivalent to 10 /8s, 143 /16s and 90 /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: 30472 Total AfriNIC prefixes after maximum aggregation: 6116 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 40143 Unique aggregates announced from the AfriNIC address blocks: 12964 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 22.20 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1176 Number of AfriNIC addresses announced to Internet: 105653248 Equivalent to 6 /8s, 76 /16s and 36 /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 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2193 434 196 TATACOMM-AS TATA Communications formerl 45090 2145 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 9738 11356 3401 AMAZON-02, US 11492 4593 305 622 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3603 1320 75 SHAW, CA 22773 3598 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3358 6650 689 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3141 1346 2242 AKAMAI-AS, US 367 2921 3632 1386 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3843 3395 125 AKAMAI-ASN1, NL 9009 3265 283 1596 M247, RO 12389 2913 2304 906 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1566 98 106 TRIOLAN, UA 8452 1524 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 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 12375 3321 495 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2511 342 658 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1344 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1144 179 431 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1065 113 379 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 1522 505 26 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 836 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 488 82 3 KENET-AS, KE 24757 393 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 12375 3321 495 UNINET, MX 9808 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9738 11356 3401 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3859 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 9849 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9738 6337 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4590 4565 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3843 3718 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 17054 EXPEDIENT, 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 23.160.201.0/24 Origin: 21738 ROZINT, US 23.160.201.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.174.120.0/24 Origin: 29774 VSIX-, FR 23.174.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:95 /12:298 /13:578 /14:1191 /15:2061 /16:13232 /17:8124 /18:13562 /19:24504 /20:43113 /21:50895 /22:110057 /23:98133 /24:569126 /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 6815 7701 UNI2-AS, ES 8151 6383 12375 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2644 3598 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2125 2649 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) ---------------------------------------------- 1:2271 2:1471 3:318 4:6 5:4515 6:162 7:6 8:1497 9:1 11:172 12:1467 13:381 14:2364 15:318 16:210 17:368 18:750 20:355 21:4 22:188 23:6607 24:2707 25:2 27:2623 29:19 31:2621 32:46 34:61 35:123 36:2239 37:4488 38:7082 39:894 40:125 41:4064 42:2205 43:2316 44:311 45:16847 46:4382 47:297 49:1907 50:1896 51:573 52:1577 54:309 55:974 56:5 57:157 58:1975 59:1125 60:1025 61:2608 62:2700 63:1906 64:5521 65:2322 66:4673 67:3062 68:1331 69:4070 70:1196 71:574 72:2890 74:2577 75:1550 76:624 77:2418 78:1840 79:2474 80:2161 81:1934 82:1512 83:1284 84:1639 85:3080 86:826 87:2012 88:1238 89:4034 90:686 91:8016 92:2198 93:2642 94:3650 95:4148 96:1302 97:312 98:1037 99:743 100:92 101:1166 102:3041 103:32411 104:4794 105:630 106:930 107:2754 108:1127 109:4047 110:2136 111:3206 112:2060 113:1765 114:1774 115:2012 116:1871 117:2618 118:2838 119:1959 120:1787 121:1271 122:2683 123:2194 124:1606 125:2840 126:32 128:1420 129:931 130:1084 131:1817 132:799 133:410 134:1719 135:314 136:944 137:1019 138:2804 139:1546 140:1376 141:1362 142:1574 143:1475 144:1010 145:345 146:2023 147:1709 148:2492 149:2569 150:1035 151:1337 152:1969 153:523 154:5878 155:1378 156:2218 157:1625 158:1078 159:2252 160:2601 161:1635 162:3591 163:1712 164:1630 165:2123 166:1058 167:1761 168:3908 169:786 170:4694 171:1000 172:3819 173:3041 174:904 175:1198 176:3667 177:4550 178:3564 179:2226 180:2366 181:3672 182:3362 183:2036 184:2263 185:20614 186:4902 187:4464 188:4044 189:4081 190:9332 191:1460 192:10962 193:9040 194:7443 195:5245 196:3146 197:2380 198:5894 199:7520 200:7983 201:6331 202:10221 203:10127 204:4550 205:3718 206:4444 207:3364 208:4120 209:4993 210:4392 211:2483 212:4280 213:3372 214:1088 215:50 216:6755 217:2817 218:1311 219:406 220:1823 221:1029 222:693 223:2207 End of report