IPv4 R&E Routing Table Report 23:05 GMT Mon 15 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: 891137 Prefixes after maximum aggregation (per Origin AS): 338953 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438102 Number of IPv4 prefixes with a valid ROA: 345330 Number of IPv4 prefixes with an invalid ROA: 1435 Number of IPv4 prefixes with no ROA: 544372 Total ASes present in the Internet Routing Table: 73375 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62970 Origin ASes announcing only one prefix: 25989 Transit ASes present in the Internet Routing Table: 10405 Transit-only ASes present in the Internet Routing Table: 401 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 954 Number of instances of unregistered ASNs: 954 Number of 32-bit ASNs allocated by the RIRs: 39988 Number of 32-bit ASNs visible in the Routing Table: 33142 Prefixes from 32-bit ASNs in the Routing Table: 157728 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3070461184 Equivalent to 183 /8s, 3 /16s and 133 /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: 299663 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230339 Total APNIC prefixes after maximum aggregation: 66665 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225454 Unique aggregates announced from the APNIC address blocks: 96192 APNIC Region origin ASes present in the Internet Routing Table: 12786 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: 1743 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: 8082 Number of APNIC addresses announced to Internet: 772661504 Equivalent to 46 /8s, 13 /16s and 225 /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: 263203 Total ARIN prefixes after maximum aggregation: 120481 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263428 Unique aggregates announced from the ARIN address blocks: 127480 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1860 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: 4569 Number of ARIN addresses announced to Internet: 1295778816 Equivalent to 77 /8s, 60 /16s and 4 /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: 252569 Total RIPE prefixes after maximum aggregation: 117895 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249811 Unique aggregates announced from the RIPE address blocks: 153185 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12077 RIPE Region transit ASes present in the Internet Routing Table: 4039 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: 10787 Number of RIPE addresses announced to Internet: 717660672 Equivalent to 42 /8s, 198 /16s and 162 /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: 115961 Total LACNIC prefixes after maximum aggregation: 27605 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115645 Unique aggregates announced from the LACNIC address blocks: 48940 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: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2247 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: 8707 Number of LACNIC addresses announced to Internet: 176312832 Equivalent to 10 /8s, 130 /16s and 82 /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: 28111 Total AfriNIC prefixes after maximum aggregation: 5575 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36288 Unique aggregates announced from the AfriNIC address blocks: 11869 AfriNIC Region origin ASes present in the Internet Routing Table: 1665 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: 4.8 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 997 Number of AfriNIC addresses announced to Internet: 107754752 Equivalent to 6 /8s, 108 /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 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5916 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 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 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2159 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 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 6834 10398 2727 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3825 3064 347 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1791 2508 AKAMAI-AS, US 6327 3448 1319 62 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2609 372 257 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3385 360 GOOGLE-CLOUD-PLATFORM, US 209 2368 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 6864 1730 144 UNI2-AS, ES 20940 4043 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2600 254 1331 M247, GB 34984 2246 358 630 TELLCOM-AS, TR 58224 1772 930 538 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 10826 3399 558 Uninet S.A. de C.V., MX 10620 3486 515 778 Telmex Colombia S.A., CO 11830 2382 369 64 Instituto Costarricense de Electricidad 13999 1954 320 522 Mega Cable, S.A. de C.V., MX 28573 1362 2329 265 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 1124 369 21 Telefonica del Peru S.A.A., PE 11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva 26615 977 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 1543 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 976 66 52 ORANGE-COTE-IVOIRE, CI 36935 801 520 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 10826 3399 558 Uninet S.A. de C.V., MX 9808 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6864 1730 144 UNI2-AS, ES 16509 6834 10398 2727 AMAZON-02, US 7545 5916 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4043 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 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 9072 9025 CHINAMOBILE-CN China Mobile Communications Grou 12479 6864 6720 UNI2-AS, ES 7545 5916 5219 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6834 4107 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4043 3849 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 23.141.0.0/24 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 /16:13490 /17:8257 /18:13809 /19:24725 /20:43114 /21:50795 /22:107763 /23:95681 /24:529131 /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 5850 6864 UNI2-AS, ES 8151 4552 10826 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3260 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2842 3825 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2266 2609 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1947 2:1025 3:157 4:5 5:3845 6:113 7:6 8:1548 9:1 11:172 12:1645 13:336 14:2352 15:243 16:44 17:383 18:192 20:242 21:4 22:188 23:5818 24:2387 25:6 27:2617 29:19 31:2419 32:92 34:7 35:87 36:1847 37:4462 38:3393 39:722 40:152 41:3909 42:1133 43:2187 44:289 45:16037 46:4146 47:302 49:1699 50:1942 51:236 52:1459 54:384 55:845 56:8 57:59 58:1726 59:1115 60:963 61:2286 62:2539 63:1927 64:5554 65:2359 66:4835 67:2981 68:1205 69:4138 70:1312 71:680 72:3014 74:2630 75:1398 76:577 77:2243 78:1908 79:3125 80:2021 81:1648 82:1495 83:1212 84:1366 85:2972 86:744 87:1909 88:1191 89:3397 90:547 91:7625 92:2043 93:2544 94:3514 95:3878 96:1297 97:350 98:1022 99:725 100:77 101:1292 102:2244 103:29573 104:4534 105:468 106:882 107:2545 108:870 109:4326 110:1995 111:3287 112:2039 113:1469 114:1477 115:1984 116:1880 117:2446 118:2305 119:1869 120:1756 121:1022 122:2499 123:2069 124:1539 125:2038 128:1186 129:1036 130:999 131:2059 132:804 133:378 134:1937 135:299 136:855 137:872 138:2497 139:1506 140:933 141:1442 142:1324 143:1399 144:1199 145:341 146:1843 147:1495 148:2211 149:1765 150:859 151:1068 152:1867 153:460 154:3679 155:1459 156:1722 157:1277 158:1028 159:2209 160:2491 161:1319 162:3485 163:1357 164:1636 165:1643 166:777 167:1778 168:3813 169:884 170:4521 171:835 172:3321 173:3116 174:1028 175:1148 176:3639 177:4733 178:3537 179:2190 180:2367 181:3226 182:3192 183:1935 184:2378 185:19577 186:4490 187:3832 188:3975 189:3394 190:8984 191:1443 192:10957 193:8674 194:7080 195:5045 196:3032 197:2402 198:5957 199:6019 200:7538 201:5782 202:10108 203:9996 204:4510 205:3438 206:3679 207:3386 208:4030 209:4678 210:4138 211:2300 212:4007 213:3457 214:1143 215:65 216:6385 217:2641 218:1263 219:407 220:1752 221:949 222:652 223:1998 End of report