IPv4 R&E Routing Table Report 23:05 GMT Sun 14 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: 890557 Prefixes after maximum aggregation (per Origin AS): 338782 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438051 Number of IPv4 prefixes with a valid ROA: 344968 Number of IPv4 prefixes with an invalid ROA: 1370 Number of IPv4 prefixes with no ROA: 544219 Total ASes present in the Internet Routing Table: 73354 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62964 Origin ASes announcing only one prefix: 25974 Transit ASes present in the Internet Routing Table: 10390 Transit-only ASes present in the Internet Routing Table: 398 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 948 Number of instances of unregistered ASNs: 948 Number of 32-bit ASNs allocated by the RIRs: 39988 Number of 32-bit ASNs visible in the Routing Table: 33126 Prefixes from 32-bit ASNs in the Routing Table: 157714 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: 3070169088 Equivalent to 182 /8s, 255 /16s and 16 /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: 299502 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230032 Total APNIC prefixes after maximum aggregation: 66595 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225173 Unique aggregates announced from the APNIC address blocks: 96225 APNIC Region origin ASes present in the Internet Routing Table: 12790 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3702 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: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8083 Number of APNIC addresses announced to Internet: 772568064 Equivalent to 46 /8s, 12 /16s and 116 /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: 263102 Total ARIN prefixes after maximum aggregation: 120416 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263388 Unique aggregates announced from the ARIN address blocks: 127509 ARIN Region origin ASes present in the Internet Routing Table: 18990 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6942 ARIN Region transit ASes present in the Internet Routing Table: 1862 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: 4568 Number of ARIN addresses announced to Internet: 1295667968 Equivalent to 77 /8s, 58 /16s and 83 /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: 252503 Total RIPE prefixes after maximum aggregation: 117887 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249661 Unique aggregates announced from the RIPE address blocks: 153169 RIPE Region origin ASes present in the Internet Routing Table: 28180 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12073 RIPE Region transit ASes present in the Internet Routing Table: 4034 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: 10786 Number of RIPE addresses announced to Internet: 717703680 Equivalent to 42 /8s, 199 /16s and 74 /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: 27597 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115620 Unique aggregates announced from the LACNIC address blocks: 48912 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 8697 Number of LACNIC addresses announced to Internet: 176227840 Equivalent to 10 /8s, 129 /16s and 6 /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: 28034 Total AfriNIC prefixes after maximum aggregation: 5561 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36210 Unique aggregates announced from the AfriNIC address blocks: 11804 AfriNIC Region origin ASes present in the Internet Routing Table: 1659 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 581 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 992 Number of AfriNIC addresses announced to Internet: 107709952 Equivalent to 6 /8s, 107 /16s and 134 /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 5911 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 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 2158 851 404 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 6848 10404 2713 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3826 3064 347 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1791 2508 AKAMAI-AS, US 6327 3448 1319 62 SHAW, CA 749 3028 50730 2286 DNIC-AS-00749, US 30036 2604 371 288 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3385 361 GOOGLE-CLOUD-PLATFORM, US 209 2369 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 6861 1730 144 UNI2-AS, ES 20940 4044 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 1774 933 539 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 10839 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 976 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 1546 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 975 66 52 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 10839 3399 558 Uninet S.A. de C.V., MX 9808 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6848 10404 2713 AMAZON-02, US 7545 5911 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4044 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 6861 6717 UNI2-AS, ES 7545 5911 5214 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6848 4135 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 4044 3850 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 /16:13486 /17:8259 /18:13800 /19:24720 /20:43081 /21:50794 /22:107721 /23:95395 /24:528929 /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 5848 6861 UNI2-AS, ES 8151 4561 10839 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 2843 3826 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2261 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1946 2:1025 3:157 4:5 5:3833 6:113 7:6 8:1549 9:1 11:172 12:1646 13:339 14:2353 15:243 16:44 17:383 18:187 20:242 21:4 22:188 23:5854 24:2389 25:6 27:2596 29:19 31:2417 32:92 34:7 35:87 36:1850 37:4421 38:3388 39:722 40:152 41:3889 42:1133 43:2187 44:287 45:16041 46:4136 47:302 49:1698 50:1940 51:236 52:1459 54:385 55:845 56:8 57:59 58:1721 59:1114 60:964 61:2285 62:2512 63:1928 64:5557 65:2357 66:4840 67:2981 68:1205 69:4137 70:1313 71:681 72:3009 74:2633 75:1398 76:577 77:2240 78:1908 79:3127 80:2020 81:1649 82:1496 83:1209 84:1364 85:2963 86:744 87:1907 88:1200 89:3399 90:547 91:7629 92:2043 93:2539 94:3513 95:3875 96:1296 97:350 98:1023 99:737 100:77 101:1292 102:2222 103:29575 104:4533 105:467 106:881 107:2546 108:861 109:4335 110:1992 111:3286 112:2042 113:1470 114:1477 115:1983 116:1881 117:2434 118:2303 119:1868 120:1756 121:1023 122:2502 123:2069 124:1536 125:2036 128:1187 129:1034 130:999 131:2063 132:806 133:378 134:1937 135:299 136:855 137:874 138:2509 139:1506 140:932 141:1444 142:1323 143:1393 144:1196 145:341 146:1840 147:1493 148:2210 149:1760 150:861 151:1068 152:1866 153:464 154:3666 155:1456 156:1732 157:1276 158:1033 159:2209 160:2500 161:1317 162:3483 163:1342 164:1628 165:1643 166:777 167:1774 168:3811 169:883 170:4517 171:838 172:3322 173:3111 174:1028 175:1145 176:3642 177:4752 178:3544 179:2208 180:2367 181:3222 182:3192 183:1935 184:2378 185:19598 186:4485 187:3827 188:3975 189:3400 190:8937 191:1447 192:10957 193:8671 194:7078 195:5047 196:3027 197:2417 198:5953 199:6019 200:7524 201:5805 202:10076 203:9991 204:4511 205:3434 206:3678 207:3385 208:4025 209:4671 210:4150 211:2300 212:4007 213:3469 214:1134 215:65 216:6386 217:2642 218:1263 219:407 220:1752 221:949 222:654 223:1966 End of report