IPv4 R&E Routing Table Report 23:05 GMT Thu 16 Jun, 2022 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: 885338 Prefixes after maximum aggregation (per Origin AS): 336691 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434066 Number of IPv4 prefixes with a valid ROA: 330722 Number of IPv4 prefixes with an invalid ROA: 1270 Number of IPv4 prefixes with no ROA: 553346 Total ASes present in the Internet Routing Table: 73042 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62726 Origin ASes announcing only one prefix: 25786 Transit ASes present in the Internet Routing Table: 10316 Transit-only ASes present in the Internet Routing Table: 374 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 882 Number of instances of unregistered ASNs: 886 Number of 32-bit ASNs allocated by the RIRs: 39603 Number of 32-bit ASNs visible in the Routing Table: 32765 Prefixes from 32-bit ASNs in the Routing Table: 155169 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3068122368 Equivalent to 182 /8s, 223 /16s and 213 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228942 Total APNIC prefixes after maximum aggregation: 66198 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224260 Unique aggregates announced from the APNIC address blocks: 95355 APNIC Region origin ASes present in the Internet Routing Table: 12618 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3616 APNIC Region transit ASes present in the Internet Routing Table: 1737 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7903 Number of APNIC addresses announced to Internet: 772943872 Equivalent to 46 /8s, 18 /16s and 48 /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: 262196 Total ARIN prefixes after maximum aggregation: 120135 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262288 Unique aggregates announced from the ARIN address blocks: 126701 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6908 ARIN Region transit ASes present in the Internet Routing Table: 1863 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4507 Number of ARIN addresses announced to Internet: 1297300224 Equivalent to 77 /8s, 83 /16s and 59 /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: 250538 Total RIPE prefixes after maximum aggregation: 116696 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247775 Unique aggregates announced from the RIPE address blocks: 151332 RIPE Region origin ASes present in the Internet Routing Table: 28107 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3986 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10700 Number of RIPE addresses announced to Internet: 713599232 Equivalent to 42 /8s, 136 /16s and 169 /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: 114896 Total LACNIC prefixes after maximum aggregation: 27481 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114675 Unique aggregates announced from the LACNIC address blocks: 48692 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8678 Number of LACNIC addresses announced to Internet: 176402688 Equivalent to 10 /8s, 131 /16s and 177 /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: 27884 Total AfriNIC prefixes after maximum aggregation: 5502 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35851 Unique aggregates announced from the AfriNIC address blocks: 11572 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 572 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107595008 Equivalent to 6 /8s, 105 /16s and 197 /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 9218 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2414 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2130 425 217 TATACOMM-AS TATA Communications formerl 24560 2080 852 395 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6637 10372 2694 AMAZON-02, US 11492 4530 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3885 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3457 1805 2512 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2965 50743 2221 DNIC-AS-00749, US 30036 2621 373 177 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US 209 2434 4961 416 CENTURYLINK-US-LEGACY-QWEST, 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 6865 1730 143 UNI2-AS, ES 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3958 3360 194 AKAMAI-ASN1, NL 12389 2895 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2524 249 1313 M247, GB 34984 2243 357 632 TELLCOM-AS, TR 58224 1826 936 611 TCI, IR 13188 1610 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 10731 3401 553 Uninet S.A. de C.V., MX 10620 3487 519 739 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1867 306 492 Mega Cable, S.A. de C.V., MX 6503 1380 351 535 Axtel, S.A.B. de C.V., MX 28573 1378 2332 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1023 191 437 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1587 393 19 LINKdotNET-AS, EG 24835 1525 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 16 MauritiusTelecom, MU 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 10731 3401 553 Uninet S.A. de C.V., MX 9808 9218 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6865 1730 143 UNI2-AS, ES 16509 6637 10372 2694 AMAZON-02, US 7545 5919 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4530 300 652 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3958 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 VIASAT-SP-BACKBONE, US 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 9218 9183 CHINAMOBILE-CN China Mobile Communications Grou 12479 6865 6722 UNI2-AS, ES 7545 5919 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6637 3943 AMAZON-02, US 11492 4530 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3958 3764 AKAMAI-ASN1, NL 7552 3576 3557 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:40 /11:100 /12:301 /13:589 /14:1198 /15:2084 /16:13467 /17:8247 /18:13703 /19:24721 /20:43053 /21:50825 /22:107275 /23:95002 /24:524698 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5844 6865 UNI2-AS, ES 8151 4448 10731 Uninet S.A. de C.V., MX 8551 3468 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3433 4530 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2903 3885 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2621 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1023 3:157 4:6 5:3796 6:108 7:6 8:1553 9:1 11:172 12:1648 13:330 14:2354 15:211 16:42 17:385 18:172 20:213 21:4 22:188 23:5662 24:2353 25:6 27:2615 29:19 31:2441 32:92 34:5 35:87 36:1823 37:4451 38:3043 39:710 40:153 41:3910 42:1120 43:2198 44:291 45:15799 46:4142 47:295 49:1674 50:2173 51:236 52:1443 54:381 55:803 56:8 57:59 58:1703 59:1110 60:961 61:2264 62:2492 63:1936 64:5530 65:2335 66:4826 67:2965 68:1195 69:4163 70:1326 71:682 72:3048 74:2641 75:1393 76:577 77:2214 78:1843 79:3121 80:1998 81:1591 82:1497 83:1210 84:1311 85:2926 86:705 87:1921 88:1145 89:3334 90:541 91:7604 92:2018 93:2546 94:3448 95:3860 96:1309 97:351 98:1003 99:746 100:77 101:1272 102:2152 103:29184 104:4481 105:467 106:872 107:2531 108:837 109:4261 110:1978 111:3265 112:2036 113:1471 114:1470 115:1968 116:1885 117:2528 118:2328 119:1848 120:1669 121:1019 122:2508 123:2082 124:1541 125:2046 128:1180 129:1061 130:971 131:2024 132:770 133:378 134:1921 135:279 136:875 137:856 138:2427 139:1527 140:879 141:1423 142:1276 143:1435 144:1203 145:349 146:1811 147:1509 148:2201 149:1744 150:859 151:1074 152:1832 153:460 154:3554 155:1437 156:1723 157:1242 158:1048 159:2212 160:2538 161:1272 162:3455 163:1271 164:1625 165:1616 166:717 167:1741 168:3774 169:868 170:4437 171:830 172:3214 173:3119 174:1016 175:1146 176:3561 177:4626 178:3553 179:2115 180:2329 181:2982 182:3200 183:1953 184:2367 185:19532 186:4261 187:3790 188:3917 189:3318 190:8881 191:1351 192:10984 193:8605 194:7006 195:4924 196:3017 197:2396 198:5945 199:6015 200:7474 201:5826 202:10109 203:9969 204:4533 205:3451 206:3679 207:3347 208:4004 209:4676 210:4152 211:2323 212:4003 213:3397 214:1147 215:66 216:6482 217:2671 218:1274 219:407 220:1673 221:1006 222:652 223:2120 End of report