IPv4 R&E Routing Table Report 23:05 GMT Tue 07 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: 903599 Prefixes after maximum aggregation (per Origin AS): 344595 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445784 Number of IPv4 prefixes with a valid ROA: 371635 Number of IPv4 prefixes with an invalid ROA: 1437 Number of IPv4 prefixes with no ROA: 530527 Total ASes present in the Internet Routing Table: 73887 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63468 Origin ASes announcing only one prefix: 26096 Transit ASes present in the Internet Routing Table: 10419 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 25 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: 999 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 41201 Number of 32-bit ASNs visible in the Routing Table: 34052 Prefixes from 32-bit ASNs in the Routing Table: 166349 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: 523 Number of addresses announced to Internet: 3061397504 Equivalent to 182 /8s, 121 /16s and 56 /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: 303824 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234164 Total APNIC prefixes after maximum aggregation: 68158 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 229212 Unique aggregates announced from the APNIC address blocks: 97866 APNIC Region origin ASes present in the Internet Routing Table: 13166 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3801 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: 8501 Number of APNIC addresses announced to Internet: 773022976 Equivalent to 46 /8s, 19 /16s and 101 /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: 265832 Total ARIN prefixes after maximum aggregation: 120995 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267815 Unique aggregates announced from the ARIN address blocks: 130005 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4729 Number of ARIN addresses announced to Internet: 1285497344 Equivalent to 76 /8s, 159 /16s and 34 /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: 256159 Total RIPE prefixes after maximum aggregation: 120667 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252671 Unique aggregates announced from the RIPE address blocks: 156354 RIPE Region origin ASes present in the Internet Routing Table: 28186 RIPE Prefixes per ASN: 8.96 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 10987 Number of RIPE addresses announced to Internet: 718286080 Equivalent to 42 /8s, 208 /16s and 45 /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: 117305 Total LACNIC prefixes after maximum aggregation: 28280 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116534 Unique aggregates announced from the LACNIC address blocks: 49102 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2275 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: 8768 Number of LACNIC addresses announced to Internet: 176260096 Equivalent to 10 /8s, 129 /16s and 132 /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: 29140 Total AfriNIC prefixes after maximum aggregation: 5752 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36844 Unique aggregates announced from the AfriNIC address blocks: 12028 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.41 AfriNIC Region origin ASes announcing only one prefix: 604 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: 1067 Number of AfriNIC addresses announced to Internet: 108011008 Equivalent to 6 /8s, 112 /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 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5860 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3524 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2751 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 7864 10717 2951 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3658 3065 292 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3322 1681 2426 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2591 3497 365 GOOGLE-CLOUD-PLATFORM, US 30036 2556 366 390 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2544 24107 1527 ATT-INTERNET4, 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 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4031 3399 167 AKAMAI-ASN1, NL 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2698 256 1376 M247, RO 34984 2258 359 607 TELLCOM-AS, TR 6849 2169 339 19 UKRTELNET, UA 58224 1838 946 557 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 11089 3346 588 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 2240 371 603 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 1093 180 461 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 1511 509 28 RAYA-AS, EG 24863 1493 393 21 LINKdotNET-AS, EG 36992 1349 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 737 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 54 46 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 11089 3346 588 Uninet S.A. de C.V., MX 9808 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7864 10717 2951 AMAZON-02, US 12479 6988 1706 146 UNI2-AS, ES 7545 5860 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4031 3399 167 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3895 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 9396 CHINAMOBILE-CN China Mobile Communications Grou 12479 6988 6842 UNI2-AS, ES 7545 5860 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7864 4913 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 20940 4031 3864 AKAMAI-ASN1, NL 8551 3895 3858 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 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 23.131.188.0/24 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 /11:101 /12:295 /13:578 /14:1198 /15:2075 /16:13461 /17:8214 /18:13754 /19:24797 /20:42890 /21:50824 /22:108641 /23:96713 /24:539982 /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 6052 6988 UNI2-AS, ES 8151 5096 11089 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3367 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2709 3658 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2026 2169 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1226 3:168 4:5 5:4253 6:114 7:5 8:1518 9:1 11:172 12:1589 13:376 14:2345 15:290 16:79 17:366 18:392 20:244 21:4 22:188 23:6041 24:2481 25:4 27:2641 29:19 31:2510 32:106 34:8 35:104 36:1907 37:4577 38:4078 39:839 40:154 41:4032 42:1053 43:2306 44:302 45:16384 46:4137 47:374 49:1735 50:1832 51:382 52:1555 54:393 55:859 56:8 57:80 58:1673 59:1108 60:993 61:2458 62:2622 63:1932 64:5648 65:2314 66:4915 67:3033 68:1347 69:4137 70:1250 71:662 72:2969 74:2590 75:1457 76:599 77:2393 78:1830 79:3178 80:2069 81:1718 82:1487 83:1232 84:1506 85:2977 86:756 87:1948 88:1216 89:3574 90:594 91:7627 92:2010 93:2593 94:3530 95:3909 96:1331 97:346 98:1159 99:740 100:75 101:1298 102:2577 103:30839 104:4564 105:482 106:846 107:2515 108:901 109:4357 110:2080 111:3296 112:2040 113:1479 114:1605 115:2013 116:1873 117:2553 118:2294 119:1894 120:1740 121:1052 122:2583 123:2137 124:1560 125:2315 128:1248 129:1050 130:974 131:1990 132:829 133:405 134:1905 135:297 136:862 137:926 138:2564 139:1547 140:1166 141:1477 142:1414 143:1495 144:1198 145:349 146:1861 147:1552 148:2268 149:1887 150:869 151:1142 152:1945 153:481 154:3901 155:1408 156:1660 157:1298 158:1004 159:2263 160:2540 161:1420 162:3508 163:1482 164:1611 165:1668 166:830 167:1746 168:3850 169:922 170:4547 171:882 172:3516 173:2951 174:1024 175:1160 176:3673 177:4578 178:3562 179:2142 180:2399 181:3378 182:3242 183:1935 184:2342 185:19992 186:4648 187:3902 188:4075 189:3477 190:9077 191:1440 192:10922 193:8796 194:7222 195:5106 196:3049 197:2422 198:5888 199:6061 200:7686 201:5862 202:10229 203:10001 204:4591 205:3482 206:3794 207:3350 208:4063 209:4774 210:4163 211:2386 212:4067 213:3540 214:1097 215:56 216:6588 217:2639 218:1256 219:400 220:1771 221:969 222:665 223:2072 End of report