IPv4 R&E Routing Table Report 23:05 GMT Thu 11 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: 890544 Prefixes after maximum aggregation (per Origin AS): 338853 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438071 Number of IPv4 prefixes with a valid ROA: 344664 Number of IPv4 prefixes with an invalid ROA: 1316 Number of IPv4 prefixes with no ROA: 544564 Total ASes present in the Internet Routing Table: 73366 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62977 Origin ASes announcing only one prefix: 25972 Transit ASes present in the Internet Routing Table: 10389 Transit-only ASes present in the Internet Routing Table: 399 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: 959 Number of instances of unregistered ASNs: 959 Number of 32-bit ASNs allocated by the RIRs: 39950 Number of 32-bit ASNs visible in the Routing Table: 33127 Prefixes from 32-bit ASNs in the Routing Table: 157596 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: 511 Number of addresses announced to Internet: 3070452480 Equivalent to 183 /8s, 3 /16s and 99 /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: 299564 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230097 Total APNIC prefixes after maximum aggregation: 66590 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225211 Unique aggregates announced from the APNIC address blocks: 96251 APNIC Region origin ASes present in the Internet Routing Table: 12786 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3705 APNIC Region transit ASes present in the Internet Routing Table: 1745 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: 8078 Number of APNIC addresses announced to Internet: 772621312 Equivalent to 46 /8s, 13 /16s and 68 /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: 263205 Total ARIN prefixes after maximum aggregation: 120547 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263429 Unique aggregates announced from the ARIN address blocks: 127484 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6938 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: 1295707904 Equivalent to 77 /8s, 58 /16s and 239 /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: 252315 Total RIPE prefixes after maximum aggregation: 117811 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249627 Unique aggregates announced from the RIPE address blocks: 153185 RIPE Region origin ASes present in the Internet Routing Table: 28183 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: 4036 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: 10791 Number of RIPE addresses announced to Internet: 717720320 Equivalent to 42 /8s, 199 /16s and 139 /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: 115857 Total LACNIC prefixes after maximum aggregation: 27582 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115546 Unique aggregates announced from the LACNIC address blocks: 48850 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2231 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: 8696 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: 5584 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36220 Unique aggregates announced from the AfriNIC address blocks: 11865 AfriNIC Region origin ASes present in the Internet Routing Table: 1666 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 582 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 997 Number of AfriNIC addresses announced to Internet: 107777536 Equivalent to 6 /8s, 108 /16s and 142 /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 5910 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3603 1330 19 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 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 6852 10403 2729 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3836 3069 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1791 2507 AKAMAI-AS, US 6327 3446 1319 62 SHAW, CA 749 3028 46634 2290 DNIC-AS-00749, US 30036 2609 372 266 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 360 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 6854 1730 144 UNI2-AS, ES 20940 4042 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2606 254 1333 M247, GB 34984 2245 357 633 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 10819 3399 558 Uninet S.A. de C.V., MX 10620 3486 515 778 Telmex Colombia S.A., CO 11830 2386 369 64 Instituto Costarricense de Electricidad 13999 1952 319 520 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 1105 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 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 10819 3399 558 Uninet S.A. de C.V., MX 9808 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6854 1730 144 UNI2-AS, ES 16509 6852 10403 2729 AMAZON-02, US 7545 5910 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4042 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 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 6854 6710 UNI2-AS, ES 7545 5910 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6852 4123 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3996 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4042 3848 AKAMAI-ASN1, NL 7552 3603 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 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 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 /10:39 /11:101 /12:303 /13:592 /14:1204 /15:2099 /16:13490 /17:8258 /18:13799 /19:24724 /20:43095 /21:50822 /22:107761 /23:95419 /24:528803 /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 5841 6854 UNI2-AS, ES 8151 4544 10819 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3459 3996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3258 3446 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2850 3836 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2267 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) ---------------------------------------------- 1:1949 2:1023 3:157 4:5 5:3833 6:111 7:6 8:1534 9:1 11:172 12:1646 13:337 14:2355 15:241 16:44 17:383 18:188 20:242 21:4 22:188 23:5851 24:2389 25:6 27:2608 29:19 31:2420 32:92 34:7 35:87 36:1850 37:4452 38:3378 39:721 40:152 41:3886 42:1126 43:2186 44:287 45:16033 46:4127 47:302 49:1696 50:1942 51:237 52:1459 54:385 55:808 56:8 57:59 58:1724 59:1115 60:964 61:2286 62:2537 63:1928 64:5562 65:2368 66:4833 67:2980 68:1206 69:4136 70:1312 71:681 72:3040 74:2631 75:1398 76:578 77:2241 78:1905 79:3125 80:2019 81:1651 82:1496 83:1208 84:1368 85:2970 86:741 87:1908 88:1199 89:3394 90:546 91:7637 92:2038 93:2547 94:3503 95:3877 96:1296 97:350 98:1020 99:737 100:77 101:1292 102:2235 103:29545 104:4535 105:467 106:873 107:2545 108:860 109:4311 110:1995 111:3285 112:2040 113:1470 114:1476 115:1982 116:1877 117:2448 118:2302 119:1869 120:1754 121:1023 122:2503 123:2072 124:1520 125:2039 128:1185 129:1040 130:966 131:2064 132:806 133:378 134:1939 135:299 136:850 137:871 138:2489 139:1508 140:932 141:1444 142:1321 143:1396 144:1195 145:341 146:1833 147:1497 148:2209 149:1759 150:861 151:1069 152:1867 153:465 154:3685 155:1459 156:1739 157:1283 158:1035 159:2209 160:2499 161:1311 162:3486 163:1350 164:1635 165:1642 166:768 167:1777 168:3809 169:880 170:4510 171:838 172:3321 173:3117 174:1034 175:1145 176:3630 177:4763 178:3546 179:2195 180:2367 181:3226 182:3192 183:1935 184:2378 185:19601 186:4439 187:3825 188:3976 189:3400 190:8940 191:1452 192:10943 193:8669 194:7074 195:5041 196:2953 197:2408 198:5957 199:6025 200:7537 201:5785 202:10111 203:9998 204:4501 205:3432 206:3693 207:3389 208:4029 209:4680 210:4150 211:2298 212:4033 213:3464 214:1132 215:65 216:6386 217:2641 218:1264 219:407 220:1751 221:949 222:654 223:1961 End of report