IPv4 R&E Routing Table Report 23:05 GMT Sat 11 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: 904135 Prefixes after maximum aggregation (per Origin AS): 344680 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445848 Number of IPv4 prefixes with a valid ROA: 372675 Number of IPv4 prefixes with an invalid ROA: 1494 Number of IPv4 prefixes with no ROA: 529966 Total ASes present in the Internet Routing Table: 73910 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63457 Origin ASes announcing only one prefix: 26111 Transit ASes present in the Internet Routing Table: 10453 Transit-only ASes present in the Internet Routing Table: 434 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: 105 Max AS path prepend of ASN (265035) 101 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 41191 Number of 32-bit ASNs visible in the Routing Table: 34076 Prefixes from 32-bit ASNs in the Routing Table: 166100 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: 572 Number of addresses announced to Internet: 3061354496 Equivalent to 182 /8s, 120 /16s and 144 /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: 304325 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233802 Total APNIC prefixes after maximum aggregation: 68108 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228768 Unique aggregates announced from the APNIC address blocks: 97526 APNIC Region origin ASes present in the Internet Routing Table: 13172 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3813 APNIC Region transit ASes present in the Internet Routing Table: 1763 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: 8509 Number of APNIC addresses announced to Internet: 772999936 Equivalent to 46 /8s, 19 /16s and 11 /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: 266322 Total ARIN prefixes after maximum aggregation: 121038 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268369 Unique aggregates announced from the ARIN address blocks: 130284 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1897 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: 1285381120 Equivalent to 76 /8s, 157 /16s and 92 /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: 256574 Total RIPE prefixes after maximum aggregation: 120736 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 253029 Unique aggregates announced from the RIPE address blocks: 156545 RIPE Region origin ASes present in the Internet Routing Table: 28202 RIPE Prefixes per ASN: 8.97 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 11003 Number of RIPE addresses announced to Internet: 718373120 Equivalent to 42 /8s, 209 /16s and 129 /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: 117023 Total LACNIC prefixes after maximum aggregation: 28269 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116240 Unique aggregates announced from the LACNIC address blocks: 49020 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2277 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8770 Number of LACNIC addresses announced to Internet: 176259584 Equivalent to 10 /8s, 129 /16s and 130 /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: 29346 Total AfriNIC prefixes after maximum aggregation: 5749 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37157 Unique aggregates announced from the AfriNIC address blocks: 12025 AfriNIC Region origin ASes present in the Internet Routing Table: 1719 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1066 Number of AfriNIC addresses announced to Internet: 108002048 Equivalent to 6 /8s, 111 /16s and 251 /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 9442 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5849 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 2756 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 2160 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 7948 10734 2845 AMAZON-02, US 11492 4525 300 610 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3651 3064 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3317 1677 2430 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2601 3583 349 GOOGLE-CLOUD-PLATFORM, US 7018 2594 24127 1576 ATT-INTERNET4, US 30036 2556 366 377 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 6992 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4020 3399 167 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 910 ROSTELECOM-AS, RU 9009 2678 255 1378 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 11115 3348 587 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2247 375 606 Mega Cable, S.A. de C.V., MX 28573 1351 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1003 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 1540 533 30 RAYA-AS, EG 24863 1502 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 550 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 485 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 11115 3348 587 Uninet S.A. de C.V., MX 9808 9442 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7948 10734 2845 AMAZON-02, US 12479 6992 1706 146 UNI2-AS, ES 7545 5849 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4525 300 610 CABLEONE, US 20940 4020 3399 167 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3893 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 9442 9394 CHINAMOBILE-CN China Mobile Communications Grou 12479 6992 6846 UNI2-AS, ES 7545 5849 5146 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7948 5103 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4525 3915 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3893 3856 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4020 3853 AKAMAI-ASN1, NL 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 /14:1201 /15:2076 /16:13464 /17:8219 /18:13752 /19:24824 /20:42896 /21:50894 /22:108778 /23:96652 /24:540323 /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 6057 6992 UNI2-AS, ES 8151 5120 11115 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3440 4525 CABLEONE, US 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2705 3651 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 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) ---------------------------------------------- 1:1626 2:1226 3:168 4:5 5:4321 6:113 7:5 8:1515 9:1 11:172 12:1587 13:392 14:2339 15:290 16:79 17:365 18:399 20:245 21:4 22:188 23:6044 24:2495 25:4 27:2590 29:19 31:2512 32:105 34:8 35:104 36:1909 37:4585 38:4118 39:838 40:154 41:4037 42:1054 43:2311 44:300 45:16363 46:4143 47:374 49:1734 50:1830 51:383 52:1562 54:397 55:871 56:8 57:81 58:1671 59:1106 60:990 61:2457 62:2628 63:1931 64:5670 65:2320 66:4922 67:3044 68:1348 69:4140 70:1251 71:661 72:2982 74:2588 75:1457 76:600 77:2379 78:1837 79:3181 80:2082 81:1719 82:1489 83:1236 84:1505 85:2982 86:756 87:1956 88:1225 89:3591 90:593 91:7649 92:2013 93:2579 94:3539 95:3933 96:1332 97:347 98:1161 99:744 100:75 101:1298 102:2585 103:30614 104:4492 105:485 106:844 107:2521 108:907 109:4370 110:2077 111:3286 112:2040 113:1484 114:1606 115:2014 116:1869 117:2551 118:2294 119:1912 120:1736 121:1050 122:2576 123:2138 124:1561 125:2307 128:1262 129:1055 130:978 131:1981 132:825 133:406 134:1905 135:315 136:862 137:927 138:2546 139:1544 140:1178 141:1474 142:1415 143:1471 144:1196 145:349 146:1862 147:1552 148:2263 149:1882 150:869 151:1141 152:1943 153:481 154:3904 155:1413 156:1664 157:1293 158:1003 159:2259 160:2539 161:1409 162:3513 163:1515 164:1590 165:1675 166:835 167:1740 168:3847 169:920 170:4562 171:882 172:3515 173:2968 174:1020 175:1158 176:3694 177:4557 178:3577 179:2144 180:2404 181:3379 182:3242 183:1933 184:2335 185:19998 186:4659 187:3932 188:4089 189:3469 190:9078 191:1446 192:10931 193:8808 194:7237 195:5107 196:3121 197:2405 198:5895 199:6066 200:7674 201:5882 202:10248 203:9986 204:4597 205:3507 206:3793 207:3378 208:4069 209:4817 210:4169 211:2384 212:4073 213:3543 214:1097 215:55 216:6604 217:2648 218:1256 219:400 220:1766 221:969 222:665 223:2072 End of report