IPv4 R&E Routing Table Report 23:05 GMT Wed 08 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: 904164 Prefixes after maximum aggregation (per Origin AS): 344687 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445862 Number of IPv4 prefixes with a valid ROA: 371987 Number of IPv4 prefixes with an invalid ROA: 1421 Number of IPv4 prefixes with no ROA: 530756 Total ASes present in the Internet Routing Table: 73914 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63474 Origin ASes announcing only one prefix: 26097 Transit ASes present in the Internet Routing Table: 10440 Transit-only ASes present in the Internet Routing Table: 433 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: 1117 Number of instances of unregistered ASNs: 1127 Number of 32-bit ASNs allocated by the RIRs: 41191 Number of 32-bit ASNs visible in the Routing Table: 34075 Prefixes from 32-bit ASNs in the Routing Table: 166371 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: 573 Number of addresses announced to Internet: 3061234176 Equivalent to 182 /8s, 118 /16s and 186 /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: 304102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234178 Total APNIC prefixes after maximum aggregation: 68169 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 229197 Unique aggregates announced from the APNIC address blocks: 97820 APNIC Region origin ASes present in the Internet Routing Table: 13184 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3803 APNIC Region transit ASes present in the Internet Routing Table: 1770 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: 8520 Number of APNIC addresses announced to Internet: 773020928 Equivalent to 46 /8s, 19 /16s and 93 /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: 265996 Total ARIN prefixes after maximum aggregation: 120962 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268036 Unique aggregates announced from the ARIN address blocks: 129984 ARIN Region origin ASes present in the Internet Routing Table: 19001 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4724 Number of ARIN addresses announced to Internet: 1285385472 Equivalent to 76 /8s, 157 /16s and 109 /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: 256329 Total RIPE prefixes after maximum aggregation: 120681 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252874 Unique aggregates announced from the RIPE address blocks: 156520 RIPE Region origin ASes present in the Internet Routing Table: 28199 RIPE Prefixes per ASN: 8.97 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 10995 Number of RIPE addresses announced to Internet: 718364416 Equivalent to 42 /8s, 209 /16s and 95 /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: 117224 Total LACNIC prefixes after maximum aggregation: 28293 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116447 Unique aggregates announced from the LACNIC address blocks: 49043 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2664 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: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8766 Number of LACNIC addresses announced to Internet: 176038912 Equivalent to 10 /8s, 126 /16s and 36 /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: 29320 Total AfriNIC prefixes after maximum aggregation: 5757 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37037 Unique aggregates announced from the AfriNIC address blocks: 12038 AfriNIC Region origin ASes present in the Internet Routing Table: 1722 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1070 Number of AfriNIC addresses announced to Internet: 108025344 Equivalent to 6 /8s, 112 /16s and 86 /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 5862 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3528 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 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 2164 440 213 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 7866 10719 2938 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3653 3064 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3322 1679 2428 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2591 3497 365 GOOGLE-CLOUD-PLATFORM, US 7018 2588 24126 1570 ATT-INTERNET4, US 30036 2554 366 391 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 6988 1705 148 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4028 3399 167 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2290 908 ROSTELECOM-AS, RU 9009 2700 257 1378 M247, RO 34984 2258 359 607 TELLCOM-AS, TR 6849 2181 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 11098 3348 587 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2244 373 604 Mega Cable, S.A. de C.V., MX 28573 1353 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 1483 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 510 52 40 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 492 73 5 EthioNet-AS, ET 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 11098 3348 587 Uninet S.A. de C.V., MX 9808 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7866 10719 2938 AMAZON-02, US 12479 6988 1705 148 UNI2-AS, ES 7545 5862 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4028 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 9443 9395 CHINAMOBILE-CN China Mobile Communications Grou 12479 6988 6840 UNI2-AS, ES 7545 5862 5159 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7866 4928 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 20940 4028 3861 AKAMAI-ASN1, NL 8551 3893 3856 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3637 3616 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 /14:1198 /15:2075 /16:13463 /17:8216 /18:13755 /19:24776 /20:42909 /21:50879 /22:108746 /23:96707 /24:540384 /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 6053 6988 UNI2-AS, ES 8151 5104 11098 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2707 3653 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2211 2554 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2039 2181 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 5:4258 6:113 7:5 8:1518 9:1 11:172 12:1585 13:377 14:2344 15:290 16:79 17:365 18:393 20:244 21:4 22:188 23:6042 24:2495 25:4 27:2641 29:19 31:2507 32:106 34:8 35:104 36:1907 37:4576 38:4094 39:839 40:154 41:4037 42:1053 43:2308 44:302 45:16385 46:4139 47:374 49:1735 50:1831 51:383 52:1555 54:393 55:860 56:8 57:80 58:1672 59:1109 60:993 61:2458 62:2620 63:1929 64:5652 65:2310 66:4917 67:3039 68:1349 69:4140 70:1250 71:662 72:2969 74:2590 75:1457 76:599 77:2381 78:1838 79:3179 80:2075 81:1715 82:1488 83:1235 84:1507 85:2982 86:752 87:1955 88:1226 89:3560 90:594 91:7651 92:2012 93:2595 94:3544 95:3931 96:1331 97:347 98:1159 99:741 100:75 101:1299 102:2581 103:30874 104:4567 105:485 106:846 107:2522 108:908 109:4380 110:2079 111:3295 112:2015 113:1479 114:1605 115:2016 116:1874 117:2553 118:2294 119:1896 120:1739 121:1050 122:2584 123:2139 124:1561 125:2315 128:1249 129:1052 130:974 131:1986 132:829 133:405 134:1906 135:297 136:862 137:933 138:2549 139:1544 140:1177 141:1479 142:1415 143:1500 144:1196 145:349 146:1862 147:1553 148:2266 149:1891 150:869 151:1140 152:1941 153:481 154:3905 155:1407 156:1662 157:1298 158:1006 159:2264 160:2543 161:1453 162:3516 163:1482 164:1600 165:1673 166:838 167:1742 168:3853 169:921 170:4558 171:882 172:3518 173:2960 174:1023 175:1161 176:3689 177:4562 178:3571 179:2145 180:2403 181:3387 182:3242 183:1935 184:2336 185:20000 186:4660 187:3903 188:4091 189:3464 190:9086 191:1446 192:10934 193:8796 194:7221 195:5105 196:3054 197:2425 198:5892 199:6065 200:7673 201:5876 202:10228 203:10000 204:4588 205:3503 206:3793 207:3353 208:4067 209:4793 210:4163 211:2384 212:4064 213:3549 214:1095 215:56 216:6584 217:2656 218:1256 219:400 220:1769 221:969 222:665 223:2072 End of report