IPv4 R&E Routing Table Report 23:05 GMT Fri 12 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: 890759 Prefixes after maximum aggregation (per Origin AS): 338843 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438012 Number of IPv4 prefixes with a valid ROA: 345158 Number of IPv4 prefixes with an invalid ROA: 1386 Number of IPv4 prefixes with no ROA: 544215 Total ASes present in the Internet Routing Table: 73356 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62983 Origin ASes announcing only one prefix: 25956 Transit ASes present in the Internet Routing Table: 10373 Transit-only ASes present in the Internet Routing Table: 397 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: 960 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 39963 Number of 32-bit ASNs visible in the Routing Table: 33123 Prefixes from 32-bit ASNs in the Routing Table: 157707 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: 508 Number of addresses announced to Internet: 3070438912 Equivalent to 183 /8s, 3 /16s and 46 /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: 299668 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230050 Total APNIC prefixes after maximum aggregation: 66573 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225169 Unique aggregates announced from the APNIC address blocks: 96177 APNIC Region origin ASes present in the Internet Routing Table: 12777 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3694 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 8071 Number of APNIC addresses announced to Internet: 772573184 Equivalent to 46 /8s, 12 /16s and 136 /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: 263234 Total ARIN prefixes after maximum aggregation: 120503 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263500 Unique aggregates announced from the ARIN address blocks: 127460 ARIN Region origin ASes present in the Internet Routing Table: 18990 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6942 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4565 Number of ARIN addresses announced to Internet: 1295784960 Equivalent to 77 /8s, 60 /16s and 28 /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: 252415 Total RIPE prefixes after maximum aggregation: 117849 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249652 Unique aggregates announced from the RIPE address blocks: 153190 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12072 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: 10792 Number of RIPE addresses announced to Internet: 717753088 Equivalent to 42 /8s, 200 /16s and 11 /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: 116052 Total LACNIC prefixes after maximum aggregation: 27606 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115734 Unique aggregates announced from the LACNIC address blocks: 48895 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2234 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: 8701 Number of LACNIC addresses announced to Internet: 176308992 Equivalent to 10 /8s, 130 /16s and 67 /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: 28048 Total AfriNIC prefixes after maximum aggregation: 5576 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36196 Unique aggregates announced from the AfriNIC address blocks: 11856 AfriNIC Region origin ASes present in the Internet Routing Table: 1662 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 580 AfriNIC Region transit ASes present in the Internet Routing Table: 321 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: 994 Number of AfriNIC addresses announced to Internet: 107722752 Equivalent to 6 /8s, 107 /16s and 184 /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 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5909 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3604 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 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 2246 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 6859 10405 2725 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3835 3069 356 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 4045 3359 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 2755 355 21 UKRTELNET, UA 9009 2600 254 1331 M247, GB 34984 2248 358 631 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 2381 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 1542 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 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 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6859 10405 2725 AMAZON-02, US 7545 5909 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4045 3359 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 9070 9023 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 7545 5909 5212 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6859 4134 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4045 3851 AKAMAI-ASN1, NL 7552 3604 3584 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 /15:2099 /16:13488 /17:8254 /18:13794 /19:24725 /20:43084 /21:50829 /22:107754 /23:95414 /24:529044 /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 3455 3992 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 2849 3835 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) ---------------------------------------------- 1:1948 2:1023 3:157 4:5 5:3832 6:113 7:6 8:1549 9:1 11:172 12:1647 13:338 14:2355 15:242 16:44 17:383 18:189 20:242 21:4 22:188 23:5850 24:2393 25:6 27:2609 29:19 31:2398 32:92 34:7 35:87 36:1850 37:4451 38:3390 39:722 40:152 41:3866 42:1130 43:2190 44:287 45:16063 46:4138 47:302 49:1697 50:1940 51:237 52:1459 54:385 55:848 56:8 57:59 58:1724 59:1115 60:964 61:2284 62:2536 63:1927 64:5553 65:2370 66:4842 67:2979 68:1206 69:4132 70:1313 71:681 72:3039 74:2632 75:1398 76:578 77:2241 78:1904 79:3129 80:2018 81:1653 82:1497 83:1210 84:1363 85:2963 86:743 87:1910 88:1199 89:3395 90:547 91:7636 92:2038 93:2543 94:3511 95:3876 96:1296 97:350 98:1022 99:737 100:77 101:1292 102:2225 103:29524 104:4533 105:467 106:873 107:2547 108:861 109:4326 110:1995 111:3283 112:2040 113:1470 114:1476 115:1982 116:1886 117:2447 118:2301 119:1869 120:1754 121:1024 122:2502 123:2069 124:1520 125:2038 128:1185 129:1023 130:965 131:2043 132:802 133:378 134:1939 135:299 136:856 137:871 138:2507 139:1506 140:931 141:1444 142:1322 143:1409 144:1196 145:341 146:1843 147:1494 148:2212 149:1763 150:863 151:1069 152:1867 153:464 154:3671 155:1455 156:1737 157:1278 158:1035 159:2210 160:2501 161:1319 162:3487 163:1341 164:1637 165:1643 166:770 167:1774 168:3814 169:880 170:4517 171:838 172:3320 173:3114 174:1034 175:1145 176:3645 177:4790 178:3541 179:2218 180:2367 181:3225 182:3192 183:1935 184:2377 185:19599 186:4484 187:3829 188:3988 189:3397 190:8948 191:1446 192:10953 193:8677 194:7078 195:5049 196:3030 197:2399 198:5954 199:6019 200:7526 201:5802 202:10097 203:9996 204:4508 205:3433 206:3688 207:3388 208:4025 209:4673 210:4146 211:2298 212:4034 213:3463 214:1135 215:65 216:6381 217:2643 218:1258 219:407 220:1749 221:949 222:654 223:1966 End of report