IPv4 R&E Routing Table Report 23:05 GMT Thu 08 Sep, 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: 892975 Prefixes after maximum aggregation (per Origin AS): 339533 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438966 Number of IPv4 prefixes with a valid ROA: 349196 Number of IPv4 prefixes with an invalid ROA: 1399 Number of IPv4 prefixes with no ROA: 542380 Total ASes present in the Internet Routing Table: 73456 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63118 Origin ASes announcing only one prefix: 26000 Transit ASes present in the Internet Routing Table: 10338 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 973 Number of instances of unregistered ASNs: 973 Number of 32-bit ASNs allocated by the RIRs: 40152 Number of 32-bit ASNs visible in the Routing Table: 33262 Prefixes from 32-bit ASNs in the Routing Table: 159526 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3068203520 Equivalent to 182 /8s, 225 /16s and 18 /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: 300122 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231117 Total APNIC prefixes after maximum aggregation: 66870 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226102 Unique aggregates announced from the APNIC address blocks: 96351 APNIC Region origin ASes present in the Internet Routing Table: 12853 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3713 APNIC Region transit ASes present in the Internet Routing Table: 1750 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8148 Number of APNIC addresses announced to Internet: 772981248 Equivalent to 46 /8s, 18 /16s and 194 /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: 263590 Total ARIN prefixes after maximum aggregation: 120620 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264085 Unique aggregates announced from the ARIN address blocks: 127941 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6939 ARIN Region transit ASes present in the Internet Routing Table: 1853 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: 4591 Number of ARIN addresses announced to Internet: 1293539584 Equivalent to 77 /8s, 25 /16s and 217 /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: 252445 Total RIPE prefixes after maximum aggregation: 118068 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249530 Unique aggregates announced from the RIPE address blocks: 153352 RIPE Region origin ASes present in the Internet Routing Table: 28168 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 4009 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: 717210112 Equivalent to 42 /8s, 191 /16s and 194 /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: 116486 Total LACNIC prefixes after maximum aggregation: 27686 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116075 Unique aggregates announced from the LACNIC address blocks: 48959 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2218 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: 8716 Number of LACNIC addresses announced to Internet: 176397312 Equivalent to 10 /8s, 131 /16s and 156 /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: 28364 Total AfriNIC prefixes after maximum aggregation: 5552 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36677 Unique aggregates announced from the AfriNIC address blocks: 11930 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1014 Number of AfriNIC addresses announced to Internet: 107791872 Equivalent to 6 /8s, 108 /16s and 198 /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 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 788 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2235 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2195 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 213 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 7022 10457 2840 AMAZON-02, US 11492 4578 303 536 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3803 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3491 1802 2515 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2359 4936 405 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 6917 1730 144 UNI2-AS, ES 20940 4053 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2610 252 1349 M247, GB 34984 2266 359 634 TELLCOM-AS, TR 58224 1764 929 508 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 10923 3394 555 Uninet S.A. de C.V., MX 10620 3495 514 786 Telmex Colombia S.A., CO 11830 2338 369 64 Instituto Costarricense de Electricidad 13999 1985 323 508 Mega Cable, S.A. de C.V., MX 28573 1362 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 984 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 1598 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1009 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 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 10923 3394 555 Uninet S.A. de C.V., MX 9808 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7022 10457 2840 AMAZON-02, US 12479 6917 1730 144 UNI2-AS, ES 7545 5931 788 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4578 303 536 CABLEONE, US 20940 4053 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9084 9037 CHINAMOBILE-CN China Mobile Communications Grou 12479 6917 6773 UNI2-AS, ES 7545 5931 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7022 4182 AMAZON-02, US 11492 4578 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4053 3861 AKAMAI-ASN1, NL 7552 3586 3566 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 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 23.133.251.0/24 Origin: 54681 RTT-BEACON, US 23.133.251.0/24 Transit: 62513 GOCODEIT-INC, CA 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 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 /12:298 /13:589 /14:1206 /15:2099 /16:13466 /17:8260 /18:13787 /19:24683 /20:43172 /21:50842 /22:107848 /23:95690 /24:530861 /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 5904 6917 UNI2-AS, ES 8151 4656 10923 Uninet S.A. de C.V., MX 11492 3495 4578 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2822 3803 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1938 2:1032 3:162 4:5 5:3882 6:115 7:6 8:1542 9:1 11:172 12:1635 13:337 14:2359 15:258 16:52 17:360 18:239 20:244 21:4 22:188 23:5917 24:2425 25:6 27:2660 29:19 31:2414 32:90 34:7 35:89 36:1879 37:4491 38:3486 39:739 40:155 41:3924 42:1132 43:2207 44:292 45:16098 46:4163 47:301 49:1715 50:1931 51:240 52:1487 54:384 55:767 56:8 57:64 58:1722 59:1111 60:982 61:2286 62:2547 63:1914 64:5565 65:2297 66:4858 67:2974 68:1205 69:4132 70:1299 71:683 72:3025 74:2630 75:1420 76:580 77:2252 78:1865 79:3130 80:2065 81:1655 82:1491 83:1202 84:1367 85:2924 86:726 87:1901 88:1148 89:3415 90:563 91:7628 92:2041 93:2537 94:3531 95:3847 96:1307 97:351 98:1031 99:720 100:75 101:1298 102:2316 103:29845 104:4546 105:473 106:888 107:2552 108:876 109:4320 110:1994 111:3288 112:2045 113:1481 114:1489 115:1983 116:1883 117:2481 118:2322 119:1824 120:1707 121:1009 122:2516 123:2090 124:1548 125:2081 128:1179 129:1012 130:1000 131:2030 132:809 133:377 134:1937 135:298 136:868 137:872 138:2531 139:1509 140:941 141:1460 142:1334 143:1419 144:1196 145:342 146:1841 147:1504 148:2211 149:1810 150:864 151:1081 152:1883 153:465 154:3807 155:1447 156:1745 157:1282 158:1036 159:2191 160:2540 161:1327 162:3493 163:1396 164:1631 165:1650 166:780 167:1762 168:3803 169:869 170:4530 171:843 172:3345 173:3111 174:1020 175:1157 176:3592 177:4771 178:3573 179:2161 180:2364 181:3251 182:3192 183:1934 184:2366 185:19651 186:4617 187:3882 188:3996 189:3442 190:9025 191:1466 192:10965 193:8640 194:7095 195:5046 196:3026 197:2452 198:5938 199:6010 200:7568 201:5797 202:10113 203:9994 204:4502 205:3436 206:3700 207:3386 208:4032 209:4693 210:4171 211:2290 212:4039 213:3466 214:1115 215:66 216:6367 217:2622 218:1269 219:400 220:1753 221:977 222:659 223:1975 End of report