IPv4 R&E Routing Table Report 23:05 GMT Thu 18 Aug, 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: 891555 Prefixes after maximum aggregation (per Origin AS): 339099 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438314 Number of IPv4 prefixes with a valid ROA: 346132 Number of IPv4 prefixes with an invalid ROA: 1385 Number of IPv4 prefixes with no ROA: 544038 Total ASes present in the Internet Routing Table: 73388 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 62989 Origin ASes announcing only one prefix: 25962 Transit ASes present in the Internet Routing Table: 10399 Transit-only ASes present in the Internet Routing Table: 399 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 964 Number of instances of unregistered ASNs: 964 Number of 32-bit ASNs allocated by the RIRs: 40007 Number of 32-bit ASNs visible in the Routing Table: 33166 Prefixes from 32-bit ASNs in the Routing Table: 157992 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3070038272 Equivalent to 182 /8s, 253 /16s and 17 /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: 299712 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230568 Total APNIC prefixes after maximum aggregation: 66690 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225659 Unique aggregates announced from the APNIC address blocks: 96298 APNIC Region origin ASes present in the Internet Routing Table: 12802 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3702 APNIC Region transit ASes present in the Internet Routing Table: 1754 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: 8097 Number of APNIC addresses announced to Internet: 772648960 Equivalent to 46 /8s, 13 /16s and 176 /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: 263327 Total ARIN prefixes after maximum aggregation: 120509 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263565 Unique aggregates announced from the ARIN address blocks: 127504 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6925 ARIN Region transit ASes present in the Internet Routing Table: 1856 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4572 Number of ARIN addresses announced to Internet: 1295587328 Equivalent to 77 /8s, 57 /16s and 24 /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: 252559 Total RIPE prefixes after maximum aggregation: 118024 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249811 Unique aggregates announced from the RIPE address blocks: 153256 RIPE Region origin ASes present in the Internet Routing Table: 28176 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 4031 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10790 Number of RIPE addresses announced to Internet: 717707264 Equivalent to 42 /8s, 199 /16s and 88 /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: 115949 Total LACNIC prefixes after maximum aggregation: 27579 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115636 Unique aggregates announced from the LACNIC address blocks: 48933 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2249 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: 8705 Number of LACNIC addresses announced to Internet: 176350720 Equivalent to 10 /8s, 130 /16s and 230 /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: 28188 Total AfriNIC prefixes after maximum aggregation: 5559 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36371 Unique aggregates announced from the AfriNIC address blocks: 11887 AfriNIC Region origin ASes present in the Internet Routing Table: 1669 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 583 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1002 Number of AfriNIC addresses announced to Internet: 107452160 Equivalent to 6 /8s, 103 /16s and 151 /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 9092 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3587 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2168 847 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 216 TATACOMM-AS TATA Communications formerl 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 6837 10398 2712 AMAZON-02, US 11492 4532 300 577 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3818 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3459 1785 2503 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2603 369 268 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2526 3387 362 GOOGLE-CLOUD-PLATFORM, US 209 2365 4936 404 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 6873 1730 144 UNI2-AS, ES 20940 4035 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2591 252 1323 M247, GB 34984 2249 358 632 TELLCOM-AS, TR 58224 1755 927 530 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 10850 3397 557 Uninet S.A. de C.V., MX 10620 3488 515 783 Telmex Colombia S.A., CO 11830 2338 369 64 Instituto Costarricense de Electricidad 13999 1959 318 525 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1126 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 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 24835 1546 521 31 RAYA-AS, EG 24863 1523 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 981 66 48 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 39 WANANCHI-, KE 37342 481 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 10850 3397 557 Uninet S.A. de C.V., MX 9808 9092 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 144 UNI2-AS, ES 16509 6837 10398 2712 AMAZON-02, US 7545 5919 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4532 300 577 CABLEONE, US 20940 4035 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9092 9045 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5919 5221 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6837 4125 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4532 3955 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4035 3841 AKAMAI-ASN1, NL 7552 3587 3567 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 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 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 /11:101 /12:303 /13:592 /14:1204 /15:2099 /16:13493 /17:8268 /18:13817 /19:24751 /20:43112 /21:50812 /22:107662 /23:95739 /24:529528 /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 5858 6873 UNI2-AS, ES 8151 4573 10850 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3445 4532 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2834 3818 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2259 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1950 2:1027 3:157 4:5 5:3850 6:114 7:6 8:1549 9:1 11:172 12:1644 13:335 14:2352 15:242 16:45 17:378 18:193 20:244 21:4 22:188 23:5824 24:2390 25:6 27:2611 29:19 31:2413 32:92 34:7 35:88 36:1861 37:4466 38:3404 39:721 40:152 41:3902 42:1133 43:2191 44:291 45:16054 46:4146 47:302 49:1717 50:1951 51:239 52:1460 54:385 55:792 56:8 57:59 58:1727 59:1114 60:974 61:2288 62:2539 63:1925 64:5560 65:2360 66:4831 67:2965 68:1204 69:4139 70:1314 71:680 72:3018 74:2643 75:1404 76:577 77:2241 78:1917 79:3124 80:2022 81:1642 82:1483 83:1215 84:1362 85:2969 86:743 87:1910 88:1184 89:3400 90:547 91:7635 92:2050 93:2545 94:3511 95:3864 96:1301 97:351 98:1022 99:720 100:77 101:1288 102:2266 103:29656 104:4555 105:470 106:886 107:2547 108:871 109:4329 110:1998 111:3286 112:2040 113:1471 114:1479 115:1985 116:1885 117:2453 118:2314 119:1870 120:1760 121:1024 122:2498 123:2066 124:1538 125:2068 128:1184 129:1035 130:997 131:2032 132:807 133:378 134:1930 135:301 136:856 137:875 138:2501 139:1504 140:929 141:1452 142:1313 143:1398 144:1204 145:341 146:1841 147:1497 148:2214 149:1774 150:858 151:1077 152:1870 153:465 154:3694 155:1457 156:1728 157:1280 158:1036 159:2209 160:2506 161:1321 162:3494 163:1366 164:1629 165:1642 166:778 167:1778 168:3806 169:881 170:4500 171:837 172:3324 173:3121 174:1020 175:1149 176:3642 177:4730 178:3553 179:2199 180:2370 181:3221 182:3196 183:1938 184:2375 185:19618 186:4524 187:3837 188:3977 189:3416 190:8956 191:1448 192:10963 193:8679 194:7090 195:5050 196:3053 197:2425 198:5952 199:6023 200:7552 201:5755 202:10109 203:9986 204:4511 205:3428 206:3675 207:3391 208:4044 209:4691 210:4149 211:2298 212:4002 213:3464 214:1136 215:66 216:6382 217:2626 218:1266 219:407 220:1752 221:949 222:656 223:1969 End of report