IPv4 R&E Routing Table Report 23:05 GMT Tue 12 Jul, 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: 887688 Prefixes after maximum aggregation (per Origin AS): 337641 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436404 Number of IPv4 prefixes with a valid ROA: 335013 Number of IPv4 prefixes with an invalid ROA: 1338 Number of IPv4 prefixes with no ROA: 551337 Total ASes present in the Internet Routing Table: 73196 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62827 Origin ASes announcing only one prefix: 25844 Transit ASes present in the Internet Routing Table: 10369 Transit-only ASes present in the Internet Routing Table: 405 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: 970 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 39775 Number of 32-bit ASNs visible in the Routing Table: 32932 Prefixes from 32-bit ASNs in the Routing Table: 156628 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: 513 Number of addresses announced to Internet: 3066935808 Equivalent to 182 /8s, 205 /16s and 186 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 298759 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229125 Total APNIC prefixes after maximum aggregation: 66334 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224304 Unique aggregates announced from the APNIC address blocks: 95571 APNIC Region origin ASes present in the Internet Routing Table: 12691 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3663 APNIC Region transit ASes present in the Internet Routing Table: 1729 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7969 Number of APNIC addresses announced to Internet: 772591872 Equivalent to 46 /8s, 12 /16s and 209 /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: 262580 Total ARIN prefixes after maximum aggregation: 120247 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262785 Unique aggregates announced from the ARIN address blocks: 127133 ARIN Region origin ASes present in the Internet Routing Table: 18956 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6908 ARIN Region transit ASes present in the Internet Routing Table: 1871 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4534 Number of ARIN addresses announced to Internet: 1295716608 Equivalent to 77 /8s, 59 /16s and 17 /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: 251513 Total RIPE prefixes after maximum aggregation: 117371 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248831 Unique aggregates announced from the RIPE address blocks: 152691 RIPE Region origin ASes present in the Internet Routing Table: 28145 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10749 Number of RIPE addresses announced to Internet: 714088960 Equivalent to 42 /8s, 144 /16s and 34 /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: 115427 Total LACNIC prefixes after maximum aggregation: 27448 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115183 Unique aggregates announced from the LACNIC address blocks: 48794 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2248 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: 8694 Number of LACNIC addresses announced to Internet: 176458496 Equivalent to 10 /8s, 132 /16s and 139 /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: 28073 Total AfriNIC prefixes after maximum aggregation: 5514 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36072 Unique aggregates announced from the AfriNIC address blocks: 11786 AfriNIC Region origin ASes present in the Internet Routing Table: 1656 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 986 Number of AfriNIC addresses announced to Internet: 107785472 Equivalent to 6 /8s, 108 /16s and 173 /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 8987 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5921 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3509 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 217 TATACOMM-AS TATA Communications formerl 24560 2112 850 401 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 6788 10396 2677 AMAZON-02, US 11492 4514 299 661 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3869 3069 355 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3468 1786 2508 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2997 50735 2255 DNIC-AS-00749, US 30036 2630 374 146 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2393 4936 412 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 6866 1730 144 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3986 3360 195 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2569 254 1334 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 58224 1774 933 559 TCI, IR 61317 1626 115 1068 ASDETUK www.heficed.com, 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 10594 3394 557 Uninet S.A. de C.V., MX 10620 3475 514 776 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1911 314 507 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 979 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 967 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 401 232 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 10594 3394 557 Uninet S.A. de C.V., MX 9808 8987 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6866 1730 144 UNI2-AS, ES 16509 6788 10396 2677 AMAZON-02, US 7545 5921 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 661 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3986 3360 195 AKAMAI-ASN1, NL 7155 3902 265 32 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 8987 8941 CHINAMOBILE-CN China Mobile Communications Grou 12479 6866 6722 UNI2-AS, ES 7545 5921 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6788 4111 AMAZON-02, US 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4514 3853 CABLEONE, US 20940 3986 3791 AKAMAI-ASN1, NL 7552 3571 3552 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 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 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 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:302 /13:588 /14:1202 /15:2095 /16:13493 /17:8253 /18:13751 /19:24721 /20:43054 /21:50611 /22:107439 /23:95132 /24:526873 /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 5846 6866 UNI2-AS, ES 8151 4448 10594 Uninet S.A. de C.V., MX 8551 3472 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4514 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2888 3869 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2630 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1911 2:1035 3:157 4:5 5:3820 6:109 7:6 8:1528 9:1 11:172 12:1646 13:343 14:2336 15:232 16:44 17:385 18:183 20:241 21:4 22:188 23:5757 24:2367 25:6 27:2611 29:19 31:2441 32:92 34:7 35:87 36:1836 37:4433 38:3232 39:718 40:152 41:3897 42:1114 43:2203 44:289 45:15982 46:4094 47:300 49:1687 50:1939 51:237 52:1453 54:386 55:851 56:8 57:60 58:1717 59:1111 60:961 61:2267 62:2524 63:1928 64:5524 65:2334 66:4852 67:2960 68:1191 69:4166 70:1317 71:681 72:3034 74:2631 75:1394 76:577 77:2220 78:1873 79:3132 80:2001 81:1629 82:1491 83:1208 84:1321 85:2949 86:728 87:1895 88:1154 89:3335 90:538 91:7600 92:2007 93:2544 94:3490 95:3841 96:1326 97:352 98:1010 99:752 100:77 101:1268 102:2174 103:29343 104:4512 105:468 106:875 107:2545 108:853 109:4306 110:1971 111:3274 112:2028 113:1465 114:1471 115:1969 116:1887 117:2431 118:2297 119:1832 120:1661 121:1027 122:2520 123:2080 124:1536 125:2043 128:1174 129:1047 130:973 131:2026 132:803 133:377 134:1940 135:305 136:892 137:849 138:2455 139:1523 140:895 141:1450 142:1296 143:1419 144:1208 145:355 146:1806 147:1528 148:2202 149:1738 150:906 151:1066 152:1848 153:464 154:3640 155:1442 156:1681 157:1269 158:1037 159:2232 160:2494 161:1259 162:3466 163:1296 164:1629 165:1633 166:764 167:1747 168:3799 169:882 170:4538 171:835 172:3267 173:3134 174:1018 175:1152 176:3562 177:4718 178:3539 179:2155 180:2360 181:3229 182:3214 183:1935 184:2343 185:19629 186:4372 187:3833 188:3968 189:3375 190:8940 191:1476 192:10958 193:8644 194:7053 195:4980 196:3037 197:2413 198:5931 199:6030 200:7473 201:5864 202:10115 203:10013 204:4509 205:3476 206:3679 207:3340 208:4006 209:4648 210:4140 211:2315 212:4029 213:3448 214:1136 215:67 216:6470 217:2642 218:1271 219:407 220:1720 221:962 222:657 223:1951 End of report