IPv4 R&E Routing Table Report 23:05 GMT Fri 16 Sep, 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: 893344 Prefixes after maximum aggregation (per Origin AS): 339822 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439247 Number of IPv4 prefixes with a valid ROA: 350689 Number of IPv4 prefixes with an invalid ROA: 1490 Number of IPv4 prefixes with no ROA: 541165 Total ASes present in the Internet Routing Table: 73485 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63127 Origin ASes announcing only one prefix: 25986 Transit ASes present in the Internet Routing Table: 10358 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1123 Number of instances of unregistered ASNs: 1124 Number of 32-bit ASNs allocated by the RIRs: 40161 Number of 32-bit ASNs visible in the Routing Table: 33304 Prefixes from 32-bit ASNs in the Routing Table: 159634 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 610 Number of addresses announced to Internet: 3067946496 Equivalent to 182 /8s, 221 /16s and 38 /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: 300242 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230840 Total APNIC prefixes after maximum aggregation: 66806 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225790 Unique aggregates announced from the APNIC address blocks: 96278 APNIC Region origin ASes present in the Internet Routing Table: 12871 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3708 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8168 Number of APNIC addresses announced to Internet: 772864256 Equivalent to 46 /8s, 16 /16s and 249 /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: 263908 Total ARIN prefixes after maximum aggregation: 120697 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264636 Unique aggregates announced from the ARIN address blocks: 127998 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4601 Number of ARIN addresses announced to Internet: 1292371456 Equivalent to 77 /8s, 8 /16s and 6 /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: 252542 Total RIPE prefixes after maximum aggregation: 118275 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249744 Unique aggregates announced from the RIPE address blocks: 153619 RIPE Region origin ASes present in the Internet Routing Table: 28157 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10799 Number of RIPE addresses announced to Internet: 718309888 Equivalent to 42 /8s, 208 /16s and 138 /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: 116422 Total LACNIC prefixes after maximum aggregation: 27667 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115996 Unique aggregates announced from the LACNIC address blocks: 48971 LACNIC Region origin ASes present in the Internet Routing Table: 10960 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2228 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: 8720 Number of LACNIC addresses announced to Internet: 176392192 Equivalent to 10 /8s, 131 /16s and 136 /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: 28509 Total AfriNIC prefixes after maximum aggregation: 5576 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36568 Unique aggregates announced from the AfriNIC address blocks: 11879 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1016 Number of AfriNIC addresses announced to Internet: 107693824 Equivalent to 6 /8s, 107 /16s and 71 /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 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5912 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3514 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2445 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2206 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2136 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 216 TATACOMM-AS TATA Communications formerl 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 7167 10497 2839 AMAZON-02, US 11492 4542 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3791 3065 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1826 2532 AKAMAI-AS, US 6327 3464 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2616 370 231 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 395 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 6913 1730 144 UNI2-AS, ES 20940 4054 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2702 355 21 UKRTELNET, UA 9009 2591 250 1336 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1798 938 536 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 10950 3394 557 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2323 369 65 Instituto Costarricense de Electricidad 13999 1996 325 510 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 985 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 1575 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1346 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 990 68 32 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 481 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 10950 3394 557 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7167 10497 2839 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5912 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4542 301 591 CABLEONE, US 20940 4054 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9052 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6913 6769 UNI2-AS, ES 7545 5912 5218 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7167 4328 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4542 3951 CABLEONE, US 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4054 3862 AKAMAI-ASN1, NL 7552 3575 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 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 /10:38 /11:101 /12:297 /13:588 /14:1203 /15:2091 /16:13466 /17:8260 /18:13782 /19:24690 /20:43145 /21:50892 /22:107873 /23:95710 /24:531172 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5911 6913 UNI2-AS, ES 8151 4688 10950 Uninet S.A. de C.V., MX 11492 3462 4542 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3274 3464 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2810 3791 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2558 2702 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1017 3:163 4:5 5:3865 6:116 7:6 8:1559 9:1 11:173 12:1634 13:340 14:2356 15:263 16:51 17:361 18:308 20:244 21:4 22:188 23:5943 24:2439 25:6 27:2660 29:19 31:2409 32:91 34:7 35:88 36:1883 37:4474 38:3538 39:740 40:155 41:3913 42:1139 43:2224 44:289 45:16098 46:4169 47:300 48:1 49:1707 50:1929 51:241 52:1493 54:385 55:832 56:8 57:65 58:1726 59:1111 60:983 61:2303 62:2541 63:1916 64:5578 65:2304 66:4846 67:2964 68:1207 69:4144 70:1309 71:685 72:2993 74:2634 75:1455 76:588 77:2261 78:1866 79:3131 80:2067 81:1650 82:1504 83:1197 84:1377 85:2943 86:726 87:1911 88:1160 89:3413 90:557 91:7581 92:2053 93:2540 94:3533 95:3856 96:1309 97:348 98:1031 99:721 100:75 101:1297 102:2315 103:29920 104:4550 105:472 106:888 107:2540 108:885 109:4298 110:1986 111:3279 112:2037 113:1477 114:1489 115:1979 116:1883 117:2480 118:2322 119:1825 120:1707 121:1009 122:2519 123:2084 124:1511 125:2079 128:1169 129:1015 130:995 131:2025 132:810 133:377 134:1938 135:297 136:863 137:874 138:2536 139:1510 140:943 141:1454 142:1335 143:1391 144:1197 145:343 146:1837 147:1515 148:2212 149:1809 150:866 151:1101 152:1942 153:467 154:3759 155:1420 156:1693 157:1282 158:1036 159:2188 160:2532 161:1333 162:3492 163:1395 164:1663 165:1658 166:787 167:1735 168:3805 169:869 170:4510 171:842 172:3355 173:3115 174:1019 175:1159 176:3594 177:4703 178:3568 179:2139 180:2365 181:3278 182:3189 183:1930 184:2357 185:19709 186:4608 187:3896 188:3997 189:3462 190:8973 191:1495 192:10973 193:8693 194:7122 195:5042 196:3054 197:2460 198:5917 199:6013 200:7607 201:5797 202:10130 203:10000 204:4501 205:3451 206:3762 207:3381 208:4040 209:4700 210:4115 211:2287 212:4041 213:3480 214:1117 215:54 216:6395 217:2624 218:1265 219:400 220:1750 221:921 222:656 223:1970 End of report