IPv4 R&E Routing Table Report 23:05 GMT Mon 27 Jun, 2022 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: 885914 Prefixes after maximum aggregation (per Origin AS): 336996 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434524 Number of IPv4 prefixes with a valid ROA: 332292 Number of IPv4 prefixes with an invalid ROA: 1268 Number of IPv4 prefixes with no ROA: 552354 Total ASes present in the Internet Routing Table: 73128 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62778 Origin ASes announcing only one prefix: 25858 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 393 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 880 Number of instances of unregistered ASNs: 884 Number of 32-bit ASNs allocated by the RIRs: 39677 Number of 32-bit ASNs visible in the Routing Table: 32842 Prefixes from 32-bit ASNs in the Routing Table: 155593 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3067702272 Equivalent to 182 /8s, 217 /16s and 108 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297826 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229017 Total APNIC prefixes after maximum aggregation: 66345 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224241 Unique aggregates announced from the APNIC address blocks: 95418 APNIC Region origin ASes present in the Internet Routing Table: 12666 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3646 APNIC Region transit ASes present in the Internet Routing Table: 1736 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7943 Number of APNIC addresses announced to Internet: 772793600 Equivalent to 46 /8s, 15 /16s and 229 /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, 131072-151865 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: 262202 Total ARIN prefixes after maximum aggregation: 120078 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262466 Unique aggregates announced from the ARIN address blocks: 126820 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6914 ARIN Region transit ASes present in the Internet Routing Table: 1870 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4514 Number of ARIN addresses announced to Internet: 1296779520 Equivalent to 77 /8s, 75 /16s and 73 /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: 250845 Total RIPE prefixes after maximum aggregation: 116940 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 248028 Unique aggregates announced from the RIPE address blocks: 151560 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 4010 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10721 Number of RIPE addresses announced to Internet: 713771264 Equivalent to 42 /8s, 139 /16s and 73 /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 196608-213403 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: 115140 Total LACNIC prefixes after maximum aggregation: 27438 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114915 Unique aggregates announced from the LACNIC address blocks: 48787 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2236 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8686 Number of LACNIC addresses announced to Internet: 176347904 Equivalent to 10 /8s, 130 /16s and 219 /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: 27830 Total AfriNIC prefixes after maximum aggregation: 5518 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 35775 Unique aggregates announced from the AfriNIC address blocks: 11524 AfriNIC Region origin ASes present in the Internet Routing Table: 1651 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 978 Number of AfriNIC addresses announced to Internet: 107729920 Equivalent to 6 /8s, 107 /16s and 212 /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 9266 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3574 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3494 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2421 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 425 216 TATACOMM-AS TATA Communications formerl 24560 2095 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6699 10379 2672 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3885 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1787 2508 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2629 374 144 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2498 3342 355 GOOGLE-CLOUD-PLATFORM, US 209 2434 4952 415 CENTURYLINK-US-LEGACY-QWEST, 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 6872 1730 145 UNI2-AS, ES 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3970 3360 194 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2523 249 1310 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1811 935 596 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10760 3404 555 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2431 369 64 Instituto Costarricense de Electricidad 13999 1889 310 494 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1357 351 536 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1030 192 440 Techtel LMDS Comunicaciones Interactiva 26615 972 2466 43 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 1574 393 19 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 609 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 419 232 16 MauritiusTelecom, MU 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 10760 3404 555 Uninet S.A. de C.V., MX 9808 9266 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6872 1730 145 UNI2-AS, ES 16509 6699 10379 2672 AMAZON-02, US 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3970 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 VIASAT-SP-BACKBONE, US 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 9266 9220 CHINAMOBILE-CN China Mobile Communications Grou 12479 6872 6727 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6699 4027 AMAZON-02, US 8551 4012 3973 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3970 3776 AKAMAI-ASN1, NL 7552 3574 3555 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /9:13 /10:40 /11:100 /12:301 /13:589 /14:1198 /15:2091 /16:13459 /17:8220 /18:13735 /19:24731 /20:43052 /21:50791 /22:107287 /23:94926 /24:525359 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5851 6872 UNI2-AS, ES 8151 4485 10760 Uninet S.A. de C.V., MX 8551 3476 4012 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2903 3885 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2286 2629 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1918 2:1042 3:157 4:5 5:3796 6:109 7:6 8:1525 9:1 11:172 12:1647 13:335 14:2338 15:224 16:44 17:384 18:175 19:1 20:213 21:4 22:188 23:5716 24:2357 25:6 27:2614 29:19 31:2451 32:92 34:7 35:87 36:1828 37:4422 38:3147 39:712 40:153 41:3890 42:1122 43:2195 44:291 45:15855 46:4119 47:295 49:1679 50:2162 51:237 52:1455 54:385 55:844 56:8 57:59 58:1705 59:1096 60:964 61:2267 62:2493 63:1931 64:5526 65:2325 66:4826 67:2964 68:1187 69:4153 70:1326 71:680 72:3043 74:2627 75:1393 76:574 77:2215 78:1836 79:3127 80:1986 81:1604 82:1491 83:1209 84:1313 85:2925 86:711 87:1916 88:1148 89:3317 90:542 91:7605 92:2010 93:2542 94:3443 95:3834 96:1307 97:350 98:1004 99:752 100:75 101:1273 102:2106 103:29213 104:4476 105:467 106:876 107:2539 108:836 109:4268 110:1975 111:3276 112:2037 113:1464 114:1474 115:1970 116:1881 117:2558 118:2302 119:1846 120:1667 121:1022 122:2508 123:2089 124:1543 125:2042 128:1169 129:1055 130:972 131:2031 132:811 133:377 134:1929 135:279 136:886 137:864 138:2434 139:1523 140:893 141:1440 142:1293 143:1424 144:1205 145:349 146:1804 147:1505 148:2209 149:1750 150:858 151:1074 152:1849 153:461 154:3557 155:1443 156:1693 157:1256 158:1046 159:2223 160:2537 161:1281 162:3462 163:1273 164:1629 165:1626 166:738 167:1745 168:3789 169:871 170:4483 171:831 172:3221 173:3122 174:1018 175:1152 176:3559 177:4632 178:3533 179:2097 180:2325 181:3024 182:3204 183:1954 184:2347 185:19566 186:4311 187:3793 188:3930 189:3378 190:8936 191:1400 192:10998 193:8610 194:7044 195:4937 196:3033 197:2409 198:5939 199:6018 200:7479 201:5863 202:10093 203:9982 204:4526 205:3481 206:3659 207:3343 208:3999 209:4649 210:4142 211:2322 212:4006 213:3408 214:1138 215:65 216:6471 217:2644 218:1270 219:408 220:1677 221:972 222:653 223:2151 End of report