IPv4 R&E Routing Table Report 23:05 GMT Fri 26 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: 892518 Prefixes after maximum aggregation (per Origin AS): 339320 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438351 Number of IPv4 prefixes with a valid ROA: 347722 Number of IPv4 prefixes with an invalid ROA: 1425 Number of IPv4 prefixes with no ROA: 543371 Total ASes present in the Internet Routing Table: 73402 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63019 Origin ASes announcing only one prefix: 25962 Transit ASes present in the Internet Routing Table: 10383 Transit-only ASes present in the Internet Routing Table: 404 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 944 Number of instances of unregistered ASNs: 944 Number of 32-bit ASNs allocated by the RIRs: 40056 Number of 32-bit ASNs visible in the Routing Table: 33194 Prefixes from 32-bit ASNs in the Routing Table: 158598 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: 505 Number of addresses announced to Internet: 3068062464 Equivalent to 182 /8s, 222 /16s and 235 /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: 300024 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230920 Total APNIC prefixes after maximum aggregation: 66732 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226128 Unique aggregates announced from the APNIC address blocks: 96138 APNIC Region origin ASes present in the Internet Routing Table: 12814 APNIC Prefixes per ASN: 17.65 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: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8113 Number of APNIC addresses announced to Internet: 772596736 Equivalent to 46 /8s, 12 /16s and 228 /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: 263502 Total ARIN prefixes after maximum aggregation: 120500 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263827 Unique aggregates announced from the ARIN address blocks: 127645 ARIN Region origin ASes present in the Internet Routing Table: 18985 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6921 ARIN Region transit ASes present in the Internet Routing Table: 1858 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: 4578 Number of ARIN addresses announced to Internet: 1293684224 Equivalent to 77 /8s, 28 /16s and 14 /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: 252663 Total RIPE prefixes after maximum aggregation: 118159 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249880 Unique aggregates announced from the RIPE address blocks: 153297 RIPE Region origin ASes present in the Internet Routing Table: 28179 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 4032 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: 10793 Number of RIPE addresses announced to Internet: 717313536 Equivalent to 42 /8s, 193 /16s and 86 /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: 116157 Total LACNIC prefixes after maximum aggregation: 27630 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115788 Unique aggregates announced from the LACNIC address blocks: 48933 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2232 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: 8700 Number of LACNIC addresses announced to Internet: 176357120 Equivalent to 10 /8s, 130 /16s and 255 /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: 28332 Total AfriNIC prefixes after maximum aggregation: 5569 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36390 Unique aggregates announced from the AfriNIC address blocks: 11908 AfriNIC Region origin ASes present in the Internet Routing Table: 1678 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1010 Number of AfriNIC addresses announced to Internet: 107823872 Equivalent to 6 /8s, 109 /16s and 67 /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 9110 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2127 425 214 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 6881 10408 2727 AMAZON-02, US 11492 4536 301 579 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3815 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3471 1790 2503 AKAMAI-AS, US 6327 3451 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2607 370 242 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2364 4936 406 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 4057 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2587 251 1329 M247, GB 34984 2265 359 634 TELLCOM-AS, TR 58224 1768 927 523 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 10886 3394 558 Uninet S.A. de C.V., MX 10620 3506 516 778 Telmex Colombia S.A., CO 11830 2343 369 64 Instituto Costarricense de Electricidad 13999 1976 321 505 Mega Cable, S.A. de C.V., MX 28573 1359 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 369 21 Telefonica del Peru S.A.A., PE 11664 1049 179 466 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 1603 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 990 67 42 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 10886 3394 558 Uninet S.A. de C.V., MX 9808 9110 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6881 10408 2727 AMAZON-02, US 12479 6873 1730 144 UNI2-AS, ES 7545 5922 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4536 301 579 CABLEONE, US 20940 4057 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 9110 9063 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5922 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6881 4154 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4536 3957 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4057 3863 AKAMAI-ASN1, NL 7552 3583 3563 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 23.141.0.0/24 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 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 /12:299 /13:593 /14:1204 /15:2099 /16:13508 /17:8271 /18:13766 /19:24781 /20:43162 /21:50835 /22:107783 /23:95838 /24:530205 /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 5861 6873 UNI2-AS, ES 8151 4612 10886 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3453 4536 CABLEONE, US 6327 3261 3451 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2831 3815 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2263 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) ---------------------------------------------- 1:1954 2:1022 3:157 4:5 5:3863 6:115 7:6 8:1552 9:1 11:172 12:1647 13:332 14:2355 15:244 16:47 17:377 18:197 20:243 21:4 22:188 23:5885 24:2401 25:6 27:2630 29:19 31:2414 32:92 34:7 35:87 36:1872 37:4473 38:3446 39:723 40:148 41:3933 42:1132 43:2210 44:288 45:16132 46:4147 47:301 49:1721 50:1948 51:239 52:1468 54:384 55:843 56:8 57:61 58:1724 59:1111 60:975 61:2285 62:2540 63:1921 64:5557 65:2358 66:4836 67:2958 68:1205 69:4143 70:1312 71:680 72:3022 74:2629 75:1403 76:586 77:2257 78:1908 79:3123 80:2039 81:1635 82:1485 83:1208 84:1366 85:2978 86:736 87:1905 88:1177 89:3406 90:547 91:7633 92:2039 93:2541 94:3523 95:3881 96:1298 97:351 98:1026 99:721 100:77 101:1289 102:2280 103:29758 104:4547 105:469 106:887 107:2548 108:872 109:4324 110:2000 111:3294 112:2053 113:1473 114:1478 115:1985 116:1914 117:2472 118:2325 119:1841 120:1764 121:1025 122:2522 123:2074 124:1538 125:2077 128:1170 129:1030 130:1004 131:2046 132:770 133:378 134:1931 135:300 136:857 137:877 138:2507 139:1507 140:937 141:1454 142:1327 143:1408 144:1199 145:341 146:1844 147:1508 148:2199 149:1780 150:861 151:1078 152:1864 153:465 154:3655 155:1451 156:1727 157:1275 158:1036 159:2200 160:2513 161:1323 162:3494 163:1374 164:1629 165:1646 166:775 167:1780 168:3793 169:882 170:4525 171:841 172:3329 173:3122 174:1020 175:1154 176:3614 177:4750 178:3578 179:2193 180:2374 181:3233 182:3195 183:1935 184:2373 185:19641 186:4502 187:3855 188:3978 189:3422 190:9000 191:1458 192:10954 193:8680 194:7087 195:5039 196:3041 197:2428 198:5953 199:6006 200:7550 201:5800 202:10099 203:10001 204:4511 205:3433 206:3688 207:3392 208:4037 209:4687 210:4143 211:2294 212:4029 213:3464 214:1120 215:65 216:6371 217:2637 218:1268 219:406 220:1750 221:949 222:655 223:1968 End of report