IPv4 R&E Routing Table Report 23:05 GMT Thu 23 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: 885785 Prefixes after maximum aggregation (per Origin AS): 336784 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434229 Number of IPv4 prefixes with a valid ROA: 332004 Number of IPv4 prefixes with an invalid ROA: 1260 Number of IPv4 prefixes with no ROA: 552521 Total ASes present in the Internet Routing Table: 73065 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62734 Origin ASes announcing only one prefix: 25821 Transit ASes present in the Internet Routing Table: 10331 Transit-only ASes present in the Internet Routing Table: 380 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 885 Number of instances of unregistered ASNs: 888 Number of 32-bit ASNs allocated by the RIRs: 39650 Number of 32-bit ASNs visible in the Routing Table: 32800 Prefixes from 32-bit ASNs in the Routing Table: 155388 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3067631104 Equivalent to 182 /8s, 216 /16s and 86 /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: 297742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229130 Total APNIC prefixes after maximum aggregation: 66279 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224306 Unique aggregates announced from the APNIC address blocks: 95412 APNIC Region origin ASes present in the Internet Routing Table: 12647 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 3624 APNIC Region transit ASes present in the Internet Routing Table: 1735 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: 7927 Number of APNIC addresses announced to Internet: 772937984 Equivalent to 46 /8s, 18 /16s and 25 /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: 262179 Total ARIN prefixes after maximum aggregation: 120077 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262422 Unique aggregates announced from the ARIN address blocks: 126772 ARIN Region origin ASes present in the Internet Routing Table: 18953 ARIN Prefixes per ASN: 13.85 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4511 Number of ARIN addresses announced to Internet: 1297019392 Equivalent to 77 /8s, 78 /16s and 242 /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: 250554 Total RIPE prefixes after maximum aggregation: 116759 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247828 Unique aggregates announced from the RIPE address blocks: 151419 RIPE Region origin ASes present in the Internet Routing Table: 28117 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12029 RIPE Region transit ASes present in the Internet Routing Table: 4005 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: 10713 Number of RIPE addresses announced to Internet: 713755648 Equivalent to 42 /8s, 139 /16s and 12 /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: 115091 Total LACNIC prefixes after maximum aggregation: 27489 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114874 Unique aggregates announced from the LACNIC address blocks: 48734 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2224 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: 8683 Number of LACNIC addresses announced to Internet: 176296704 Equivalent to 10 /8s, 130 /16s and 19 /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: 27946 Total AfriNIC prefixes after maximum aggregation: 5505 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35866 Unique aggregates announced from the AfriNIC address blocks: 11477 AfriNIC Region origin ASes present in the Internet Routing Table: 1642 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 564 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: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 966 Number of AfriNIC addresses announced to Internet: 107341312 Equivalent to 6 /8s, 101 /16s and 230 /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 9233 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3577 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3420 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2421 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2090 851 394 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 6643 10375 2673 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3886 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1787 2509 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2993 50740 2251 DNIC-AS-00749, US 30036 2627 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2485 3342 355 GOOGLE-CLOUD-PLATFORM, US 209 2434 4960 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 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3962 3360 194 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2519 249 1306 M247, GB 34984 2245 357 632 TELLCOM-AS, TR 58224 1805 935 592 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 10747 3404 555 Uninet S.A. de C.V., MX 10620 3488 517 744 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1885 307 496 Mega Cable, S.A. de C.V., MX 6503 1364 351 536 Axtel, S.A.B. de C.V., MX 28573 1364 2330 274 Claro NXT Telecomunicacoes Ltda, BR 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 18881 964 1118 29 TELEFONICA BRASIL S.A, 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 1566 393 19 LINKdotNET-AS, EG 24835 1540 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 422 232 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 10747 3404 555 Uninet S.A. de C.V., MX 9808 9233 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6863 1730 145 UNI2-AS, ES 16509 6643 10375 2673 AMAZON-02, US 7545 5919 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3962 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 9233 9198 CHINAMOBILE-CN China Mobile Communications Grou 12479 6863 6718 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6643 3970 AMAZON-02, US 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3962 3768 AKAMAI-ASN1, NL 7552 3577 3558 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 /16:13474 /17:8270 /18:13722 /19:24734 /20:43045 /21:50849 /22:107297 /23:95021 /24:525019 /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 4466 10747 Uninet S.A. de C.V., MX 8551 3474 4010 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 2904 3886 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2284 2627 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1040 3:157 4:5 5:3776 6:109 7:6 8:1536 9:1 11:172 12:1647 13:336 14:2327 15:215 16:44 17:385 18:174 20:213 21:4 22:188 23:5705 24:2358 25:6 27:2612 29:19 31:2447 32:92 34:6 35:87 36:1835 37:4418 38:3140 39:712 40:153 41:3892 42:1121 43:2195 44:289 45:15802 46:4114 47:295 49:1678 50:2172 51:237 52:1447 54:379 55:844 56:8 57:59 58:1706 59:1111 60:960 61:2259 62:2494 63:1930 64:5522 65:2330 66:4830 67:2966 68:1186 69:4163 70:1324 71:680 72:3038 74:2643 75:1393 76:574 77:2205 78:1847 79:3126 80:1990 81:1607 82:1491 83:1206 84:1315 85:2933 86:712 87:1916 88:1152 89:3308 90:540 91:7603 92:1991 93:2538 94:3437 95:3839 96:1308 97:350 98:1004 99:751 100:76 101:1273 102:2111 103:29227 104:4471 105:467 106:875 107:2539 108:839 109:4263 110:1973 111:3274 112:2038 113:1464 114:1471 115:1970 116:1888 117:2527 118:2295 119:1845 120:1668 121:1021 122:2507 123:2094 124:1552 125:2041 128:1180 129:1057 130:975 131:2015 132:803 133:377 134:1926 135:280 136:880 137:863 138:2437 139:1525 140:893 141:1441 142:1293 143:1423 144:1207 145:349 146:1804 147:1506 148:2202 149:1747 150:857 151:1074 152:1842 153:461 154:3555 155:1443 156:1692 157:1246 158:1048 159:2216 160:2539 161:1272 162:3457 163:1276 164:1626 165:1620 166:715 167:1744 168:3785 169:880 170:4429 171:834 172:3220 173:3121 174:1018 175:1149 176:3542 177:4692 178:3531 179:2124 180:2327 181:2993 182:3204 183:1954 184:2346 185:19536 186:4309 187:3793 188:3927 189:3367 190:8928 191:1379 192:10997 193:8623 194:7034 195:4925 196:3045 197:2390 198:5935 199:6017 200:7463 201:5850 202:10075 203:9970 204:4521 205:3485 206:3675 207:3346 208:3999 209:4650 210:4164 211:2321 212:4003 213:3402 214:1139 215:65 216:6464 217:2645 218:1268 219:408 220:1677 221:1005 222:653 223:2128 End of report