IPv4 R&E Routing Table Report 23:05 GMT Fri 05 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: 890089 Prefixes after maximum aggregation (per Origin AS): 338318 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437705 Number of IPv4 prefixes with a valid ROA: 343656 Number of IPv4 prefixes with an invalid ROA: 1363 Number of IPv4 prefixes with no ROA: 545070 Total ASes present in the Internet Routing Table: 73290 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62905 Origin ASes announcing only one prefix: 25947 Transit ASes present in the Internet Routing Table: 10385 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 928 Number of instances of unregistered ASNs: 928 Number of 32-bit ASNs allocated by the RIRs: 39930 Number of 32-bit ASNs visible in the Routing Table: 33071 Prefixes from 32-bit ASNs in the Routing Table: 157414 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: 497 Number of addresses announced to Internet: 3070275328 Equivalent to 183 /8s, 0 /16s and 175 /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: 299528 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229961 Total APNIC prefixes after maximum aggregation: 66546 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225030 Unique aggregates announced from the APNIC address blocks: 96238 APNIC Region origin ASes present in the Internet Routing Table: 12766 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3691 APNIC Region transit ASes present in the Internet Routing Table: 1746 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: 8058 Number of APNIC addresses announced to Internet: 772566016 Equivalent to 46 /8s, 12 /16s and 108 /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: 263157 Total ARIN prefixes after maximum aggregation: 120318 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263462 Unique aggregates announced from the ARIN address blocks: 127408 ARIN Region origin ASes present in the Internet Routing Table: 18978 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1861 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4558 Number of ARIN addresses announced to Internet: 1295886336 Equivalent to 77 /8s, 61 /16s and 168 /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: 252028 Total RIPE prefixes after maximum aggregation: 117605 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249353 Unique aggregates announced from the RIPE address blocks: 152914 RIPE Region origin ASes present in the Internet Routing Table: 28158 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12071 RIPE Region transit ASes present in the Internet Routing Table: 4028 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: 10773 Number of RIPE addresses announced to Internet: 717527552 Equivalent to 42 /8s, 196 /16s and 154 /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: 115938 Total LACNIC prefixes after maximum aggregation: 27559 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115607 Unique aggregates announced from the LACNIC address blocks: 48861 LACNIC Region origin ASes present in the Internet Routing Table: 10954 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2243 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: 8688 Number of LACNIC addresses announced to Internet: 176305152 Equivalent to 10 /8s, 130 /16s and 52 /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: 28077 Total AfriNIC prefixes after maximum aggregation: 5579 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36140 Unique aggregates announced from the AfriNIC address blocks: 11865 AfriNIC Region origin ASes present in the Internet Routing Table: 1664 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 583 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 994 Number of AfriNIC addresses announced to Internet: 107706624 Equivalent to 6 /8s, 107 /16s and 121 /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 9015 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5934 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3596 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3509 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 594 KIXS-AS-KR Korea Telecom, KR 24560 2156 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 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 6827 10402 2707 AMAZON-02, US 11492 4642 307 476 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3836 3069 360 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1784 2501 AKAMAI-AS, US 6327 3449 1319 64 SHAW, CA 749 3021 50731 2279 DNIC-AS-00749, US 30036 2607 373 253 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 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 6875 1730 144 UNI2-AS, ES 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2597 255 1341 M247, GB 34984 2245 357 634 TELLCOM-AS, TR 58224 1778 933 554 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 10809 3398 562 Uninet S.A. de C.V., MX 10620 3483 515 780 Telmex Colombia S.A., CO 11830 2407 369 64 Instituto Costarricense de Electricidad 13999 1947 318 518 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1100 370 21 Telefonica del Peru S.A.A., PE 11664 1048 180 455 Techtel LMDS Comunicaciones Interactiva 26615 981 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 1524 521 31 RAYA-AS, EG 24863 1505 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 972 66 53 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 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 10809 3398 562 Uninet S.A. de C.V., MX 9808 9015 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6875 1730 144 UNI2-AS, ES 16509 6827 10402 2707 AMAZON-02, US 7545 5934 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 307 476 CABLEONE, US 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3992 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 9015 8968 CHINAMOBILE-CN China Mobile Communications Grou 12479 6875 6731 UNI2-AS, ES 7545 5934 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 4166 CABLEONE, US 16509 6827 4120 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4042 3848 AKAMAI-ASN1, NL 7552 3596 3577 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 /11:101 /12:303 /13:592 /14:1204 /15:2098 /16:13496 /17:8251 /18:13792 /19:24731 /20:43050 /21:50818 /22:107515 /23:95367 /24:528697 /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 5862 6875 UNI2-AS, ES 8151 4533 10809 Uninet S.A. de C.V., MX 11492 3546 4642 CABLEONE, US 8551 3455 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3259 3449 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3836 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2265 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1958 2:1019 3:157 4:5 5:3836 6:111 7:6 8:1544 9:1 11:172 12:1643 13:340 14:2350 15:241 16:44 17:383 18:187 20:242 21:4 22:188 23:5842 24:2402 25:6 27:2613 29:19 31:2413 32:92 34:7 35:87 36:1842 37:4440 38:3359 39:719 40:152 41:3888 42:1123 43:2186 44:287 45:16038 46:4125 47:302 49:1699 50:1945 51:238 52:1458 54:384 55:852 56:8 57:59 58:1734 59:1110 60:967 61:2290 62:2535 63:1928 64:5563 65:2369 66:4837 67:2981 68:1193 69:4141 70:1313 71:679 72:3028 74:2628 75:1398 76:577 77:2241 78:1878 79:3130 80:2015 81:1646 82:1492 83:1206 84:1352 85:2942 86:738 87:1905 88:1181 89:3387 90:546 91:7611 92:2031 93:2548 94:3502 95:3878 96:1335 97:350 98:1028 99:754 100:77 101:1292 102:2224 103:29490 104:4526 105:467 106:879 107:2540 108:859 109:4328 110:1999 111:3272 112:2032 113:1470 114:1475 115:1975 116:1883 117:2421 118:2299 119:1868 120:1756 121:1023 122:2518 123:2069 124:1529 125:2039 128:1182 129:1040 130:967 131:2050 132:802 133:378 134:1937 135:299 136:889 137:867 138:2488 139:1495 140:931 141:1442 142:1319 143:1391 144:1203 145:344 146:1829 147:1498 148:2206 149:1760 150:859 151:1070 152:1861 153:465 154:3692 155:1447 156:1699 157:1276 158:1040 159:2225 160:2503 161:1305 162:3485 163:1337 164:1632 165:1646 166:761 167:1770 168:3801 169:880 170:4538 171:836 172:3299 173:3118 174:1046 175:1152 176:3622 177:4724 178:3536 179:2176 180:2374 181:3219 182:3189 183:1935 184:2384 185:19599 186:4511 187:3828 188:3985 189:3396 190:8953 191:1456 192:10955 193:8661 194:7051 195:5029 196:3025 197:2415 198:5949 199:6025 200:7523 201:5842 202:10138 203:10006 204:4503 205:3433 206:3683 207:3380 208:4027 209:4677 210:4162 211:2298 212:4018 213:3469 214:1132 215:65 216:6380 217:2632 218:1263 219:408 220:1735 221:959 222:654 223:1960 End of report