IPv4 R&E Routing Table Report 23:05 GMT Wed 21 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: 893700 Prefixes after maximum aggregation (per Origin AS): 340267 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439594 Number of IPv4 prefixes with a valid ROA: 351241 Number of IPv4 prefixes with an invalid ROA: 1508 Number of IPv4 prefixes with no ROA: 540951 Total ASes present in the Internet Routing Table: 73511 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63146 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1082 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 40198 Number of 32-bit ASNs visible in the Routing Table: 33342 Prefixes from 32-bit ASNs in the Routing Table: 159834 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3066828800 Equivalent to 182 /8s, 204 /16s and 24 /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: 300392 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231096 Total APNIC prefixes after maximum aggregation: 66950 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226070 Unique aggregates announced from the APNIC address blocks: 96473 APNIC Region origin ASes present in the Internet Routing Table: 12886 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3714 APNIC Region transit ASes present in the Internet Routing Table: 1751 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: 8183 Number of APNIC addresses announced to Internet: 772856064 Equivalent to 46 /8s, 16 /16s and 217 /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: 264175 Total ARIN prefixes after maximum aggregation: 120966 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 264837 Unique aggregates announced from the ARIN address blocks: 128126 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1869 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4602 Number of ARIN addresses announced to Internet: 1291843328 Equivalent to 76 /8s, 255 /16s and 247 /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: 252439 Total RIPE prefixes after maximum aggregation: 118300 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249658 Unique aggregates announced from the RIPE address blocks: 153659 RIPE Region origin ASes present in the Internet Routing Table: 28165 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 4005 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: 10817 Number of RIPE addresses announced to Internet: 717815040 Equivalent to 42 /8s, 200 /16s and 253 /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: 116319 Total LACNIC prefixes after maximum aggregation: 27665 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115931 Unique aggregates announced from the LACNIC address blocks: 48965 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2714 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: 8723 Number of LACNIC addresses announced to Internet: 176268800 Equivalent to 10 /8s, 129 /16s and 166 /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: 28589 Total AfriNIC prefixes after maximum aggregation: 5595 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36636 Unique aggregates announced from the AfriNIC address blocks: 11919 AfriNIC Region origin ASes present in the Internet Routing Table: 1687 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1017 Number of AfriNIC addresses announced to Internet: 107743232 Equivalent to 6 /8s, 108 /16s and 8 /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 9050 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5873 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2449 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2217 854 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 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 7122 10487 2838 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3779 3064 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3536 1844 2538 AKAMAI-AS, US 6327 3471 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2608 369 263 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2534 3387 367 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 6915 1730 144 UNI2-AS, ES 20940 4056 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 908 ROSTELECOM-AS, RU 9009 2593 250 1340 M247, GB 6849 2588 339 20 UKRTELNET, UA 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 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 10969 3392 562 Uninet S.A. de C.V., MX 10620 3503 515 787 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 2000 326 511 Mega Cable, S.A. de C.V., MX 28573 1359 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1059 179 466 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1581 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 67 40 ORANGE-COTE-IVOIRE, CI 36935 812 520 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 10969 3392 562 Uninet S.A. de C.V., MX 9808 9050 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7122 10487 2838 AMAZON-02, US 12479 6915 1730 144 UNI2-AS, ES 7545 5873 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4056 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 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 9050 9003 CHINAMOBILE-CN China Mobile Communications Grou 12479 6915 6771 UNI2-AS, ES 7545 5873 5177 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7122 4284 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4056 3863 AKAMAI-ASN1, NL 7552 3583 3563 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /10:38 /11:101 /12:297 /13:586 /14:1198 /15:2092 /16:13456 /17:8264 /18:13772 /19:24703 /20:43077 /21:50880 /22:107873 /23:95708 /24:531619 /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 5916 6915 UNI2-AS, ES 8151 4710 10969 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3280 3471 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2804 3779 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2444 2588 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1901 2:1015 3:163 4:5 5:3894 6:116 7:6 8:1560 9:1 11:173 12:1629 13:339 14:2357 15:263 16:51 17:362 18:309 20:242 21:4 22:188 23:5943 24:2450 25:6 27:2664 29:19 31:2414 32:91 34:7 35:89 36:1888 37:4468 38:3539 39:744 40:155 41:3917 42:1155 43:2217 44:293 45:16136 46:4166 47:299 48:1 49:1718 50:1925 51:241 52:1491 54:385 55:837 56:8 57:65 58:1724 59:1110 60:976 61:2349 62:2543 63:1912 64:5591 65:2316 66:4880 67:2964 68:1200 69:4161 70:1309 71:685 72:2985 74:2635 75:1484 76:591 77:2244 78:1862 79:3133 80:2071 81:1657 82:1498 83:1209 84:1380 85:2942 86:728 87:1917 88:1162 89:3411 90:554 91:7565 92:2051 93:2540 94:3547 95:3852 96:1311 97:347 98:1033 99:722 100:75 101:1296 102:2315 103:29990 104:4559 105:472 106:890 107:2533 108:886 109:4297 110:1982 111:3278 112:2035 113:1479 114:1488 115:1978 116:1884 117:2482 118:2323 119:1823 120:1706 121:1014 122:2522 123:2089 124:1511 125:2099 128:1162 129:1009 130:994 131:2030 132:813 133:377 134:1930 135:294 136:796 137:879 138:2538 139:1506 140:958 141:1453 142:1350 143:1398 144:1192 145:346 146:1840 147:1514 148:2208 149:1798 150:865 151:1088 152:1936 153:469 154:3782 155:1425 156:1699 157:1287 158:1040 159:2188 160:2530 161:1324 162:3489 163:1399 164:1667 165:1651 166:788 167:1736 168:3795 169:872 170:4532 171:846 172:3369 173:3105 174:1015 175:1162 176:3609 177:4680 178:3575 179:2145 180:2367 181:3282 182:3190 183:1923 184:2359 185:19727 186:4583 187:3920 188:4005 189:3453 190:8961 191:1477 192:10969 193:8673 194:7124 195:5033 196:3046 197:2452 198:5923 199:6019 200:7607 201:5809 202:10138 203:9992 204:4514 205:3474 206:3773 207:3374 208:4040 209:4721 210:4117 211:2339 212:4037 213:3467 214:1124 215:54 216:6417 217:2631 218:1265 219:400 220:1774 221:921 222:656 223:1970 End of report