IPv4 R&E Routing Table Report 23:05 GMT Thu 09 Feb, 2023 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: 904192 Prefixes after maximum aggregation (per Origin AS): 344656 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445860 Number of IPv4 prefixes with a valid ROA: 371968 Number of IPv4 prefixes with an invalid ROA: 1508 Number of IPv4 prefixes with no ROA: 530716 Total ASes present in the Internet Routing Table: 73892 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63458 Origin ASes announcing only one prefix: 26102 Transit ASes present in the Internet Routing Table: 10434 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 41189 Number of 32-bit ASNs visible in the Routing Table: 34055 Prefixes from 32-bit ASNs in the Routing Table: 166242 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3061378560 Equivalent to 182 /8s, 120 /16s and 238 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 304281 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234160 Total APNIC prefixes after maximum aggregation: 68196 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 229180 Unique aggregates announced from the APNIC address blocks: 97838 APNIC Region origin ASes present in the Internet Routing Table: 13189 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3816 APNIC Region transit ASes present in the Internet Routing Table: 1769 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8525 Number of APNIC addresses announced to Internet: 773027584 Equivalent to 46 /8s, 19 /16s and 119 /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: 266075 Total ARIN prefixes after maximum aggregation: 120988 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268045 Unique aggregates announced from the ARIN address blocks: 130045 ARIN Region origin ASes present in the Internet Routing Table: 19013 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 4728 Number of ARIN addresses announced to Internet: 1285460224 Equivalent to 76 /8s, 158 /16s and 145 /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: 256441 Total RIPE prefixes after maximum aggregation: 120712 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252929 Unique aggregates announced from the RIPE address blocks: 156481 RIPE Region origin ASes present in the Internet Routing Table: 28198 RIPE Prefixes per ASN: 8.97 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10991 Number of RIPE addresses announced to Internet: 718381824 Equivalent to 42 /8s, 209 /16s and 163 /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: 117241 Total LACNIC prefixes after maximum aggregation: 28271 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116470 Unique aggregates announced from the LACNIC address blocks: 49061 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2282 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: 8764 Number of LACNIC addresses announced to Internet: 176260608 Equivalent to 10 /8s, 129 /16s and 134 /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: 29233 Total AfriNIC prefixes after maximum aggregation: 5716 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37019 Unique aggregates announced from the AfriNIC address blocks: 11992 AfriNIC Region origin ASes present in the Internet Routing Table: 1701 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1047 Number of AfriNIC addresses announced to Internet: 107913728 Equivalent to 6 /8s, 110 /16s and 162 /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 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5857 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3530 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2753 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2161 440 212 TATACOMM-AS TATA Communications formerl 45090 2148 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 7896 10725 2931 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3652 3064 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3324 1681 2428 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2600 3583 350 GOOGLE-CLOUD-PLATFORM, US 7018 2592 24127 1574 ATT-INTERNET4, US 30036 2555 366 383 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 6983 1705 148 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4029 3399 167 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 910 ROSTELECOM-AS, RU 9009 2696 257 1374 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2252 339 19 UKRTELNET, UA 58224 1844 948 544 TCI, IR 13188 1607 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 11106 3348 587 Uninet S.A. de C.V., MX 10620 3480 508 860 Telmex Colombia S.A., CO 11830 2260 369 64 Instituto Costarricense de Electricidad 13999 2246 374 605 Mega Cable, S.A. de C.V., MX 28573 1352 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1095 180 460 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 24835 1539 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 487 32 1 MOVITEL, MZ 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 11106 3348 587 Uninet S.A. de C.V., MX 9808 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7896 10725 2931 AMAZON-02, US 12479 6983 1705 148 UNI2-AS, ES 7545 5857 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4029 3399 167 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3892 370 37 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 9443 9395 CHINAMOBILE-CN China Mobile Communications Grou 12479 6983 6835 UNI2-AS, ES 7545 5857 5154 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7896 4965 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 20940 4029 3862 AKAMAI-ASN1, NL 8551 3892 3855 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3638 3617 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:578 /14:1202 /15:2075 /16:13460 /17:8217 /18:13752 /19:24814 /20:42914 /21:50872 /22:108721 /23:96639 /24:540470 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6048 6983 UNI2-AS, ES 8151 5111 11106 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3364 3892 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2706 3652 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2212 2555 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2098 2252 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1227 3:168 4:5 5:4306 6:114 7:5 8:1517 9:1 11:172 12:1586 13:379 14:2342 15:290 16:79 17:365 18:396 20:244 21:4 22:188 23:6043 24:2495 25:4 27:2588 29:19 31:2506 32:103 34:8 35:104 36:1908 37:4588 38:4097 39:839 40:154 41:4038 42:1053 43:2307 44:301 45:16369 46:4143 47:374 49:1734 50:1836 51:383 52:1555 54:394 55:862 56:8 57:80 58:1668 59:1111 60:992 61:2459 62:2621 63:1932 64:5662 65:2313 66:4923 67:3039 68:1350 69:4139 70:1250 71:661 72:2970 74:2589 75:1457 76:599 77:2379 78:1837 79:3179 80:2073 81:1714 82:1487 83:1235 84:1508 85:2981 86:756 87:1955 88:1225 89:3566 90:593 91:7643 92:2014 93:2596 94:3533 95:3930 96:1331 97:347 98:1159 99:741 100:75 101:1298 102:2573 103:30864 104:4492 105:485 106:846 107:2519 108:910 109:4374 110:2080 111:3295 112:2041 113:1483 114:1605 115:2015 116:1874 117:2555 118:2293 119:1912 120:1739 121:1053 122:2583 123:2132 124:1561 125:2315 128:1249 129:1052 130:976 131:1997 132:828 133:405 134:1905 135:297 136:862 137:926 138:2555 139:1543 140:1169 141:1473 142:1415 143:1476 144:1198 145:350 146:1865 147:1552 148:2260 149:1893 150:870 151:1142 152:1949 153:481 154:3908 155:1408 156:1657 157:1297 158:1006 159:2261 160:2540 161:1406 162:3517 163:1484 164:1598 165:1668 166:837 167:1742 168:3850 169:918 170:4583 171:880 172:3511 173:2963 174:1023 175:1159 176:3691 177:4638 178:3578 179:2144 180:2405 181:3382 182:3244 183:1933 184:2339 185:19995 186:4670 187:3929 188:4089 189:3498 190:9085 191:1451 192:10931 193:8802 194:7228 195:5105 196:3122 197:2399 198:5885 199:6063 200:7674 201:5873 202:10228 203:10001 204:4591 205:3504 206:3787 207:3354 208:4069 209:4796 210:4166 211:2384 212:4077 213:3547 214:1097 215:55 216:6580 217:2649 218:1256 219:400 220:1769 221:969 222:665 223:2072 End of report