IPv4 R&E Routing Table Report 23:05 GMT Fri 15 Jul, 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: 888340 Prefixes after maximum aggregation (per Origin AS): 337628 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436425 Number of IPv4 prefixes with a valid ROA: 336172 Number of IPv4 prefixes with an invalid ROA: 1334 Number of IPv4 prefixes with no ROA: 550834 Total ASes present in the Internet Routing Table: 73204 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62839 Origin ASes announcing only one prefix: 25860 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 398 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 973 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 39803 Number of 32-bit ASNs visible in the Routing Table: 32952 Prefixes from 32-bit ASNs in the Routing Table: 156735 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: 507 Number of addresses announced to Internet: 3067169536 Equivalent to 182 /8s, 209 /16s and 75 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 298922 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229339 Total APNIC prefixes after maximum aggregation: 66359 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224456 Unique aggregates announced from the APNIC address blocks: 95601 APNIC Region origin ASes present in the Internet Routing Table: 12697 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3661 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 7983 Number of APNIC addresses announced to Internet: 772288512 Equivalent to 46 /8s, 8 /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: 262754 Total ARIN prefixes after maximum aggregation: 120169 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262984 Unique aggregates announced from the ARIN address blocks: 127068 ARIN Region origin ASes present in the Internet Routing Table: 18965 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6924 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4543 Number of ARIN addresses announced to Internet: 1295845120 Equivalent to 77 /8s, 61 /16s and 7 /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: 251573 Total RIPE prefixes after maximum aggregation: 117418 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248918 Unique aggregates announced from the RIPE address blocks: 152808 RIPE Region origin ASes present in the Internet Routing Table: 28147 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 4014 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10751 Number of RIPE addresses announced to Internet: 714552576 Equivalent to 42 /8s, 151 /16s and 53 /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: 115629 Total LACNIC prefixes after maximum aggregation: 27443 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115387 Unique aggregates announced from the LACNIC address blocks: 48731 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 8690 Number of LACNIC addresses announced to Internet: 176500992 Equivalent to 10 /8s, 133 /16s and 49 /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: 28072 Total AfriNIC prefixes after maximum aggregation: 5512 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36088 Unique aggregates announced from the AfriNIC address blocks: 11792 AfriNIC Region origin ASes present in the Internet Routing Table: 1658 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 985 Number of AfriNIC addresses announced to Internet: 107689216 Equivalent to 6 /8s, 107 /16s and 53 /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 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5920 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2236 11123 590 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2119 849 403 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 6784 10394 2672 AMAZON-02, US 11492 4515 299 656 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3838 3069 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3474 1789 2512 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2996 50735 2254 DNIC-AS-00749, US 30036 2631 375 138 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2512 3359 359 GOOGLE-CLOUD-PLATFORM, US 209 2381 4936 411 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 6883 1730 144 UNI2-AS, ES 8551 4007 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 12389 2884 2288 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2571 254 1334 M247, GB 34984 2250 358 638 TELLCOM-AS, TR 58224 1774 933 559 TCI, IR 61317 1613 113 1061 ASDETUK www.heficed.com, GB 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 10772 3395 558 Uninet S.A. de C.V., MX 10620 3477 514 776 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1930 318 506 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1264 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1076 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 978 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 24863 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 400 232 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 10772 3395 558 Uninet S.A. de C.V., MX 9808 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6883 1730 144 UNI2-AS, ES 16509 6784 10394 2672 AMAZON-02, US 7545 5920 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 656 CABLEONE, US 8551 4007 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 7155 3903 265 32 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 9005 8959 CHINAMOBILE-CN China Mobile Communications Grou 12479 6883 6739 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6784 4112 AMAZON-02, US 8551 4007 3968 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4515 3859 CABLEONE, US 20940 3998 3803 AKAMAI-ASN1, NL 7552 3571 3552 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 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 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 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:302 /13:588 /14:1202 /15:2096 /16:13499 /17:8252 /18:13770 /19:24731 /20:43045 /21:50742 /22:107485 /23:95252 /24:527202 /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 5864 6883 UNI2-AS, ES 8151 4507 10772 Uninet S.A. de C.V., MX 8551 3470 4007 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2860 3838 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1032 3:157 4:5 5:3835 6:110 7:6 8:1523 9:1 11:172 12:1645 13:345 14:2336 15:233 16:44 17:387 18:179 20:242 21:4 22:188 23:5790 24:2370 25:6 27:2612 29:19 31:2433 32:92 34:7 35:87 36:1835 37:4442 38:3270 39:714 40:152 41:3896 42:1117 43:2200 44:290 45:15996 46:4096 47:300 49:1693 50:1946 51:237 52:1453 54:386 55:845 56:8 57:60 58:1720 59:1108 60:961 61:2267 62:2519 63:1927 64:5586 65:2337 66:4857 67:2963 68:1179 69:4167 70:1315 71:680 72:3027 74:2628 75:1395 76:577 77:2224 78:1875 79:3131 80:2000 81:1629 82:1493 83:1209 84:1318 85:2961 86:725 87:1900 88:1168 89:3349 90:541 91:7593 92:2027 93:2547 94:3495 95:3839 96:1328 97:352 98:1014 99:752 100:76 101:1268 102:2177 103:29384 104:4526 105:464 106:874 107:2545 108:857 109:4313 110:1974 111:3275 112:2034 113:1466 114:1473 115:1971 116:1892 117:2427 118:2309 119:1833 120:1669 121:1026 122:2519 123:2081 124:1540 125:2042 128:1180 129:1044 130:975 131:2032 132:809 133:377 134:1939 135:305 136:892 137:860 138:2462 139:1520 140:927 141:1443 142:1297 143:1423 144:1209 145:354 146:1806 147:1522 148:2205 149:1732 150:902 151:1069 152:1848 153:463 154:3653 155:1442 156:1676 157:1265 158:1038 159:2234 160:2501 161:1260 162:3469 163:1289 164:1635 165:1635 166:769 167:1743 168:3800 169:888 170:4558 171:834 172:3289 173:3135 174:1019 175:1151 176:3586 177:4734 178:3541 179:2181 180:2363 181:3218 182:3213 183:1938 184:2345 185:19622 186:4354 187:3798 188:3962 189:3395 190:8906 191:1442 192:10946 193:8647 194:7045 195:4976 196:3032 197:2415 198:5935 199:6012 200:7473 201:5841 202:10117 203:10008 204:4518 205:3422 206:3682 207:3340 208:4001 209:4671 210:4157 211:2307 212:4027 213:3441 214:1143 215:67 216:6477 217:2637 218:1261 219:407 220:1734 221:963 222:657 223:1954 End of report