IPv4 R&E Routing Table Report 23:05 GMT Tue 28 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: 886018 Prefixes after maximum aggregation (per Origin AS): 337068 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434365 Number of IPv4 prefixes with a valid ROA: 332391 Number of IPv4 prefixes with an invalid ROA: 1280 Number of IPv4 prefixes with no ROA: 552347 Total ASes present in the Internet Routing Table: 73125 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62787 Origin ASes announcing only one prefix: 25852 Transit ASes present in the Internet Routing Table: 10338 Transit-only ASes present in the Internet Routing Table: 394 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: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 879 Number of instances of unregistered ASNs: 883 Number of 32-bit ASNs allocated by the RIRs: 39677 Number of 32-bit ASNs visible in the Routing Table: 32841 Prefixes from 32-bit ASNs in the Routing Table: 155657 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: 491 Number of addresses announced to Internet: 3067672320 Equivalent to 182 /8s, 216 /16s and 247 /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: 298076 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228896 Total APNIC prefixes after maximum aggregation: 66301 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224139 Unique aggregates announced from the APNIC address blocks: 95284 APNIC Region origin ASes present in the Internet Routing Table: 12657 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 3640 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: 7935 Number of APNIC addresses announced to Internet: 772623872 Equivalent to 46 /8s, 13 /16s and 78 /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: 262135 Total ARIN prefixes after maximum aggregation: 120104 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262391 Unique aggregates announced from the ARIN address blocks: 126840 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: 6912 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: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4517 Number of ARIN addresses announced to Internet: 1296783104 Equivalent to 77 /8s, 75 /16s and 87 /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: 251139 Total RIPE prefixes after maximum aggregation: 117046 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 248302 Unique aggregates announced from the RIPE address blocks: 151637 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 4007 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: 10730 Number of RIPE addresses announced to Internet: 713800192 Equivalent to 42 /8s, 139 /16s and 186 /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: 114989 Total LACNIC prefixes after maximum aggregation: 27422 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114766 Unique aggregates announced from the LACNIC address blocks: 48749 LACNIC Region origin ASes present in the Internet Routing Table: 10960 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8680 Number of LACNIC addresses announced to Internet: 176358656 Equivalent to 10 /8s, 131 /16s and 5 /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: 27980 Total AfriNIC prefixes after maximum aggregation: 5518 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35929 Unique aggregates announced from the AfriNIC address blocks: 11437 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 323 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 979 Number of AfriNIC addresses announced to Internet: 107825664 Equivalent to 6 /8s, 109 /16s and 74 /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 9260 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3494 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 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 2123 425 216 TATACOMM-AS TATA Communications formerl 24560 2096 851 402 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 6706 10380 2680 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3878 3066 349 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1787 2508 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50740 2250 DNIC-AS-00749, US 30036 2630 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 6863 1730 145 UNI2-AS, ES 8551 4013 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3970 3360 194 AKAMAI-ASN1, NL 12389 2889 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2524 249 1310 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1803 935 590 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 10628 3403 555 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1888 310 494 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1312 344 526 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 190 438 Techtel LMDS Comunicaciones Interactiva 26615 974 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 1569 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 765 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 411 232 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 10628 3403 555 Uninet S.A. de C.V., MX 9808 9260 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6863 1730 145 UNI2-AS, ES 16509 6706 10380 2680 AMAZON-02, US 7545 5923 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4013 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 9260 9214 CHINAMOBILE-CN China Mobile Communications Grou 12479 6863 6718 UNI2-AS, ES 7545 5923 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6706 4026 AMAZON-02, US 8551 4013 3974 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 3576 3557 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 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 31.41.38.0/24 Origin: 49392 ASBAXETN, RU 31.41.38.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU 31.41.39.0/24 Origin: 49392 ASBAXETN, RU 31.41.39.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 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 /16:13475 /17:8269 /18:13748 /19:24730 /20:43041 /21:50759 /22:107238 /23:94954 /24:525450 /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 5842 6863 UNI2-AS, ES 8151 4392 10628 Uninet S.A. de C.V., MX 8551 3477 4013 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 2900 3878 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2287 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) ---------------------------------------------- 1:1918 2:1041 3:157 4:5 5:4059 6:109 7:6 8:1526 9:1 11:172 12:1646 13:336 14:2340 15:226 16:44 17:383 18:174 19:1 20:213 21:4 22:188 23:5717 24:2366 25:6 27:2614 29:19 31:2451 32:92 34:7 35:87 36:1822 37:4424 38:3152 39:714 40:152 41:3895 42:1121 43:2190 44:291 45:15856 46:4116 47:295 49:1678 50:2168 51:237 52:1455 54:385 55:811 56:8 57:59 58:1703 59:1111 60:964 61:2268 62:2494 63:1932 64:5526 65:2329 66:4828 67:2959 68:1190 69:4162 70:1326 71:679 72:3030 74:2625 75:1393 76:574 77:2218 78:1836 79:3132 80:1987 81:1608 82:1490 83:1208 84:1315 85:2928 86:712 87:1913 88:1146 89:3318 90:542 91:7597 92:2007 93:2543 94:3449 95:3834 96:1309 97:350 98:1004 99:752 100:75 101:1273 102:2118 103:29183 104:4477 105:465 106:868 107:2547 108:841 109:4274 110:1977 111:3278 112:2035 113:1463 114:1473 115:1954 116:1888 117:2526 118:2303 119:1845 120:1667 121:1023 122:2505 123:2088 124:1540 125:2043 128:1175 129:1055 130:972 131:2023 132:801 133:377 134:1930 135:279 136:888 137:861 138:2431 139:1523 140:894 141:1441 142:1295 143:1424 144:1203 145:350 146:1804 147:1503 148:2205 149:1724 150:859 151:1072 152:1848 153:461 154:3548 155:1439 156:1688 157:1258 158:1040 159:2222 160:2537 161:1286 162:3456 163:1271 164:1631 165:1624 166:749 167:1742 168:3790 169:876 170:4494 171:830 172:3224 173:3124 174:1018 175:1150 176:3558 177:4635 178:3534 179:2124 180:2327 181:3025 182:3201 183:1952 184:2346 185:19575 186:4330 187:3776 188:3929 189:3338 190:8937 191:1403 192:10992 193:8619 194:7056 195:4939 196:3039 197:2412 198:5929 199:6019 200:7481 201:5813 202:10096 203:9980 204:4526 205:3477 206:3651 207:3336 208:3999 209:4646 210:4142 211:2317 212:3972 213:3412 214:1139 215:65 216:6471 217:2646 218:1270 219:408 220:1678 221:972 222:653 223:2153 End of report