IPv4 R&E Routing Table Report 23:05 GMT Sun 05 Mar, 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: 906978 Prefixes after maximum aggregation (per Origin AS): 345251 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446009 Number of IPv4 prefixes with a valid ROA: 376407 Number of IPv4 prefixes with an invalid ROA: 1644 Number of IPv4 prefixes with no ROA: 528927 Total ASes present in the Internet Routing Table: 73972 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63531 Origin ASes announcing only one prefix: 26100 Transit ASes present in the Internet Routing Table: 10441 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1088 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 41374 Number of 32-bit ASNs visible in the Routing Table: 34191 Prefixes from 32-bit ASNs in the Routing Table: 166894 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3061932800 Equivalent to 182 /8s, 129 /16s and 99 /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: 304833 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235222 Total APNIC prefixes after maximum aggregation: 68212 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229920 Unique aggregates announced from the APNIC address blocks: 97790 APNIC Region origin ASes present in the Internet Routing Table: 13241 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3854 APNIC Region transit ASes present in the Internet Routing Table: 1785 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8581 Number of APNIC addresses announced to Internet: 773099520 Equivalent to 46 /8s, 20 /16s and 144 /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: 266894 Total ARIN prefixes after maximum aggregation: 121223 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268957 Unique aggregates announced from the ARIN address blocks: 130172 ARIN Region origin ASes present in the Internet Routing Table: 19006 ARIN Prefixes per ASN: 14.15 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4735 Number of ARIN addresses announced to Internet: 1286095104 Equivalent to 76 /8s, 168 /16s and 65 /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: 257416 Total RIPE prefixes after maximum aggregation: 121151 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253687 Unique aggregates announced from the RIPE address blocks: 156531 RIPE Region origin ASes present in the Internet Routing Table: 28212 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 3964 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11041 Number of RIPE addresses announced to Internet: 718407424 Equivalent to 42 /8s, 210 /16s and 7 /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: 117165 Total LACNIC prefixes after maximum aggregation: 28154 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116532 Unique aggregates announced from the LACNIC address blocks: 48842 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8773 Number of LACNIC addresses announced to Internet: 176518912 Equivalent to 10 /8s, 133 /16s and 119 /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: 29193 Total AfriNIC prefixes after maximum aggregation: 5724 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37358 Unique aggregates announced from the AfriNIC address blocks: 12258 AfriNIC Region origin ASes present in the Internet Routing Table: 1713 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 586 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1061 Number of AfriNIC addresses announced to Internet: 107486720 Equivalent to 6 /8s, 104 /16s and 30 /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 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5795 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2803 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2173 440 217 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 8078 10760 2865 AMAZON-02, US 11492 4522 300 620 CABLEONE, US 7155 3958 270 43 VIASAT-SP-BACKBONE, US 22773 3647 3064 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3291 1651 2426 AKAMAI-AS, US 749 3039 50554 2306 DNIC-AS-00749, US 396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2567 24120 1575 ATT-INTERNET4, US 30036 2535 363 409 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 7063 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4033 3399 163 AKAMAI-ASN1, NL 8551 3900 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2292 911 ROSTELECOM-AS, RU 9009 2640 251 1381 M247, RO 34984 2264 359 608 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1846 949 546 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 11230 3349 586 Uninet S.A. de C.V., MX 10620 3466 504 876 Telmex Colombia S.A., CO 13999 2266 369 600 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1340 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 759 160 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1281 339 509 Axtel, S.A.B. de C.V., MX 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1027 2498 45 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 1550 393 19 LINKdotNET-AS, EG 24835 1528 533 30 RAYA-AS, EG 36992 1345 1517 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 53 ORANGE-COTE-IVOIRE, CI 36935 854 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 528 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 484 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 11230 3349 586 Uninet S.A. de C.V., MX 9808 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8078 10760 2865 AMAZON-02, US 12479 7063 1706 146 UNI2-AS, ES 7545 5795 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4522 300 620 CABLEONE, US 20940 4033 3399 163 AKAMAI-ASN1, NL 7155 3958 270 43 VIASAT-SP-BACKBONE, US 8551 3900 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 9452 9404 CHINAMOBILE-CN China Mobile Communications Grou 12479 7063 6917 UNI2-AS, ES 16509 8078 5213 AMAZON-02, US 7545 5795 5104 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3958 3915 VIASAT-SP-BACKBONE, US 11492 4522 3902 CABLEONE, US 20940 4033 3870 AKAMAI-ASN1, NL 8551 3900 3863 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3681 3660 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 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 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 /13:575 /14:1198 /15:2073 /16:13419 /17:8187 /18:13690 /19:24787 /20:42940 /21:50985 /22:108989 /23:96834 /24:542823 /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 6120 7063 UNI2-AS, ES 8151 5231 11230 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3437 4522 CABLEONE, US 8551 3372 3900 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3035 3958 VIASAT-SP-BACKBONE, US 22773 2697 3647 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2192 2535 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2020 3466 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1653 2:1226 3:168 4:5 5:4336 6:117 7:6 8:1516 9:1 11:172 12:1581 13:394 14:2330 15:293 16:111 17:367 18:399 20:249 21:4 22:188 23:6087 24:2475 25:4 27:2525 29:19 31:2508 32:107 34:8 35:104 36:1928 37:4603 38:4299 39:864 40:152 41:4039 42:1082 43:2305 44:306 45:16348 46:4153 47:373 49:1729 50:1820 51:386 52:1588 54:388 55:869 56:8 57:91 58:1668 59:1112 60:980 61:2456 62:2633 63:1940 64:5634 65:2319 66:4903 67:3030 68:1351 69:4134 70:1268 71:664 72:2962 74:2590 75:1457 76:601 77:2407 78:1835 79:3172 80:2070 81:1726 82:1502 83:1232 84:1512 85:3007 86:754 87:1954 88:1236 89:3604 90:610 91:7655 92:2015 93:2576 94:3503 95:3950 96:1329 97:331 98:1165 99:746 100:77 101:1293 102:2658 103:31002 104:4582 105:483 106:899 107:2552 108:929 109:4381 110:2090 111:3266 112:2038 113:1493 114:1619 115:2016 116:1893 117:2569 118:2277 119:1950 120:1741 121:1042 122:2581 123:2138 124:1544 125:2366 128:1272 129:1057 130:986 131:1991 132:821 133:421 134:1903 135:299 136:867 137:937 138:2555 139:1545 140:1194 141:1471 142:1424 143:1487 144:1208 145:355 146:1888 147:1557 148:2284 149:1923 150:917 151:1144 152:1957 153:487 154:4209 155:1429 156:1670 157:1299 158:1014 159:2268 160:2563 161:1442 162:3547 163:1483 164:1578 165:1690 166:850 167:1738 168:3810 169:925 170:4575 171:884 172:3512 173:2953 174:1012 175:1158 176:3726 177:4602 178:3621 179:2171 180:2419 181:3400 182:3310 183:1938 184:2347 185:20080 186:4694 187:3968 188:4109 189:3595 190:9094 191:1466 192:10938 193:8807 194:7229 195:5111 196:3155 197:2237 198:5898 199:6086 200:7666 201:5846 202:10281 203:10145 204:4590 205:3521 206:3784 207:3385 208:4056 209:4839 210:4180 211:2385 212:4102 213:3546 214:1095 215:55 216:6586 217:2649 218:1265 219:409 220:1764 221:971 222:670 223:2117 End of report