IPv4 R&E Routing Table Report 23:05 GMT Thu 22 Dec, 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: 900283 Prefixes after maximum aggregation (per Origin AS): 343498 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444103 Number of IPv4 prefixes with a valid ROA: 364880 Number of IPv4 prefixes with an invalid ROA: 1277 Number of IPv4 prefixes with no ROA: 534126 Total ASes present in the Internet Routing Table: 73735 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63434 Origin ASes announcing only one prefix: 26093 Transit ASes present in the Internet Routing Table: 10301 Transit-only ASes present in the Internet Routing Table: 417 Paths with bogon ASNs present in the IPv4 Routing Table: 23 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 1002 Number of 32-bit ASNs allocated by the RIRs: 40958 Number of 32-bit ASNs visible in the Routing Table: 33826 Prefixes from 32-bit ASNs in the Routing Table: 164497 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3064678144 Equivalent to 182 /8s, 171 /16s and 71 /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: 302987 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233107 Total APNIC prefixes after maximum aggregation: 67774 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228024 Unique aggregates announced from the APNIC address blocks: 97332 APNIC Region origin ASes present in the Internet Routing Table: 13085 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8403 Number of APNIC addresses announced to Internet: 773059840 Equivalent to 46 /8s, 19 /16s and 245 /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: 266455 Total ARIN prefixes after maximum aggregation: 121311 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267911 Unique aggregates announced from the ARIN address blocks: 129523 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6985 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4692 Number of ARIN addresses announced to Internet: 1287848704 Equivalent to 76 /8s, 195 /16s and 3 /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: 254253 Total RIPE prefixes after maximum aggregation: 119814 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 251214 Unique aggregates announced from the RIPE address blocks: 155891 RIPE Region origin ASes present in the Internet Routing Table: 28137 RIPE Prefixes per ASN: 8.93 RIPE Region origin ASes announcing only one prefix: 12005 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10912 Number of RIPE addresses announced to Internet: 719398656 Equivalent to 42 /8s, 225 /16s and 39 /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: 117109 Total LACNIC prefixes after maximum aggregation: 28172 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116407 Unique aggregates announced from the LACNIC address blocks: 48928 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2261 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8768 Number of LACNIC addresses announced to Internet: 175970048 Equivalent to 10 /8s, 125 /16s and 23 /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: 28366 Total AfriNIC prefixes after maximum aggregation: 5679 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 36220 Unique aggregates announced from the AfriNIC address blocks: 12016 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.18 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1051 Number of AfriNIC addresses announced to Internet: 108108032 Equivalent to 6 /8s, 113 /16s and 153 /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 9154 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5943 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3517 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3367 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2679 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2161 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7755 10637 2915 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3685 3044 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3462 1797 2512 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2615 24131 1587 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 6952 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4038 3400 177 AKAMAI-ASN1, NL 8551 3701 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 907 ROSTELECOM-AS, RU 9009 2650 252 1360 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2221 339 20 UKRTELNET, UA 58224 1773 928 538 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 10923 3340 594 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2192 358 584 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1138 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1515 393 21 LINKdotNET-AS, EG 24835 1509 511 29 RAYA-AS, EG 36992 1321 1518 274 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 43 ORANGE-COTE-IVOIRE, CI 36935 705 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 372 319 71 TENET-1, ZA 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 10923 3340 594 Uninet S.A. de C.V., MX 9808 9154 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7755 10637 2915 AMAZON-02, US 12479 6952 1706 146 UNI2-AS, ES 7545 5943 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4038 3400 177 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3701 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9154 9107 CHINAMOBILE-CN China Mobile Communications Grou 12479 6952 6806 UNI2-AS, ES 7545 5943 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7755 4840 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4038 3861 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3701 3663 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 23.131.191.0/24 Origin: 212238 CDNEXT, GB 23.131.191.0/24 Transit: 60068 CDN77 \^_^, GB 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 /12:296 /13:584 /14:1198 /15:2038 /16:13472 /17:8192 /18:13753 /19:24783 /20:42753 /21:50722 /22:108454 /23:96260 /24:537602 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5998 6952 UNI2-AS, ES 8151 4909 10923 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3166 3701 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3685 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2071 2221 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:1219 3:168 4:5 5:4100 6:110 7:5 8:1534 9:1 11:172 12:1610 13:369 14:2359 15:285 16:76 17:370 18:410 20:243 21:4 22:188 23:5992 24:2443 25:4 27:2707 29:19 31:2499 32:103 34:8 35:95 36:1840 37:4614 38:3955 39:821 40:144 41:3925 42:1041 43:2292 44:305 45:16380 46:4212 47:373 49:1707 50:1932 51:374 52:1543 54:396 55:785 56:8 57:78 58:1679 59:1104 60:1006 61:2425 62:2590 63:1939 64:5640 65:2324 66:4902 67:3032 68:1362 69:4130 70:1253 71:656 72:2989 74:2590 75:1463 76:593 77:2339 78:1823 79:2938 80:2063 81:1679 82:1489 83:1231 84:1483 85:2974 86:741 87:1923 88:1179 89:3508 90:589 91:7608 92:1978 93:2557 94:3495 95:3899 96:1316 97:344 98:1173 99:741 100:75 101:1291 102:2505 103:30581 104:4607 105:482 106:848 107:2543 108:911 109:4370 110:2042 111:3267 112:2029 113:1492 114:1598 115:2011 116:1871 117:2472 118:2283 119:1882 120:1696 121:1037 122:2574 123:2136 124:1534 125:2252 128:1232 129:1047 130:962 131:2002 132:788 133:401 134:1892 135:295 136:885 137:922 138:2585 139:1503 140:1021 141:1489 142:1411 143:1443 144:1184 145:350 146:1874 147:1511 148:2259 149:1847 150:863 151:1145 152:1840 153:476 154:3790 155:1411 156:1622 157:1289 158:1043 159:2235 160:2573 161:1430 162:3538 163:1469 164:1672 165:1636 166:818 167:1745 168:3841 169:920 170:4565 171:887 172:3514 173:3056 174:1024 175:1157 176:3617 177:4792 178:3532 179:2147 180:2403 181:3349 182:3231 183:1934 184:2365 185:19938 186:4607 187:3924 188:4066 189:3439 190:9020 191:1468 192:10952 193:8802 194:7167 195:5070 196:2974 197:2400 198:5933 199:6079 200:7646 201:5879 202:10215 203:9988 204:4594 205:3516 206:3760 207:3345 208:4103 209:4801 210:4149 211:2382 212:4032 213:3530 214:1108 215:55 216:6583 217:2637 218:1250 219:409 220:1778 221:953 222:663 223:1976 End of report