IPv4 R&E Routing Table Report 20:15 GMT Mon 22 Apr, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 185870 Prefixes after maximum aggregation (per Origin AS): 81636 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101355 Number of IPv4 prefixes with a valid ROA: 71583 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 114270 Total ASes present in the Internet Routing Table: 15787 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 13648 Origin ASes announcing only one prefix: 6232 Transit ASes present in the Internet Routing Table: 2139 Transit-only ASes present in the Internet Routing Table: 585 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 230 Number of instances of unregistered ASNs: 230 Number of 32-bit ASNs allocated by the RIRs: 44225 Number of 32-bit ASNs visible in the Routing Table: 5705 Prefixes from 32-bit ASNs in the Routing Table: 19075 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 96 Number of addresses announced to Internet: 1110454689 Equivalent to 66 /8s, 48 /16s and 49 /24s Percentage of available address space announced: 30.0 Percentage of allocated address space announced: 30.0 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: 53541 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30187 Total APNIC prefixes after maximum aggregation: 7057 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29842 Unique aggregates announced from the APNIC address blocks: 8174 APNIC Region origin ASes present in the Internet Routing Table: 1137 APNIC Prefixes per ASN: 26.25 APNIC Region origin ASes announcing only one prefix: 460 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 486 Number of APNIC addresses announced to Internet: 199234416 Equivalent to 11 /8s, 224 /16s and 19 /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, 131072-153913 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: 85083 Total ARIN prefixes after maximum aggregation: 46362 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 83624 Unique aggregates announced from the ARIN address blocks: 51238 ARIN Region origin ASes present in the Internet Routing Table: 7304 ARIN Prefixes per ASN: 11.45 ARIN Region origin ASes announcing only one prefix: 3150 ARIN Region transit ASes present in the Internet Routing Table: 630 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1495 Number of ARIN addresses announced to Internet: 650387041 Equivalent to 38 /8s, 196 /16s and 30 /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, 393216-402332 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: 35020 Total RIPE prefixes after maximum aggregation: 16433 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35843 Unique aggregates announced from the RIPE address blocks: 23623 RIPE Region origin ASes present in the Internet Routing Table: 3364 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 1445 RIPE Region transit ASes present in the Internet Routing Table: 520 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1240 Number of RIPE addresses announced to Internet: 160183504 Equivalent to 9 /8s, 140 /16s and 52 /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 196608-216475 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: 31246 Total LACNIC prefixes after maximum aggregation: 9917 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 30957 Unique aggregates announced from the LACNIC address blocks: 15445 LACNIC Region origin ASes present in the Internet Routing Table: 3082 LACNIC Prefixes per ASN: 10.04 LACNIC Region origin ASes announcing only one prefix: 1081 LACNIC Region transit ASes present in the Internet Routing Table: 614 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2374 Number of LACNIC addresses announced to Internet: 72082176 Equivalent to 4 /8s, 75 /16s and 227 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4104 Total AfriNIC prefixes after maximum aggregation: 1682 AfriNIC Deaggregation factor: 2.44 Prefixes being announced from the AfriNIC address blocks: 5508 Unique aggregates announced from the AfriNIC address blocks: 2785 AfriNIC Region origin ASes present in the Internet Routing Table: 219 AfriNIC Prefixes per ASN: 25.15 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 110 Number of AfriNIC addresses announced to Internet: 28518656 Equivalent to 1 /8s, 179 /16s and 41 /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 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1489 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 789 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 727 10656 150 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 CMNET-GUANGDONG-AP China Mobile communi Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9825 11362 3471 AMAZON-02, US 749 3201 54912 2453 DNIC-AS-00749, US 367 2839 3551 1358 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1641 106 1185 USDA-1, US 5972 1398 393 635 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 895 4164 676 AMAZON-AES, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 1313 111 1069 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 718 60 21 Jordan Data Communications, JO 8452 555 1841 11 TE-AS TE-AS, EG 51167 500 96 207 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 393 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5005 1300 865 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 589 103 223 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 501 64 422 Telmex Colombia S.A., CO 13999 484 68 209 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 622 209 252 LINKdotNET-AS, EG 2018 379 319 71 TENET-1, ZA 36992 334 512 241 ETISALAT-MISR, EG 36935 266 66 79 Vodafone-, EG 36914 197 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 Sudatel, SD Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9825 11362 3471 AMAZON-02, US 9808 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5005 1300 865 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3201 54912 2453 DNIC-AS-00749, US 367 2839 3551 1358 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1641 106 1185 USDA-1, US 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9691 9628 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5005 4140 UNINET, MX 11776 1856 1636 ATLANTICBB-JOHNSTOWN, US 367 2839 1481 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1390 CENTURYLINK-US-LEGACY-QWEST, US 56046 1489 1379 CMNET-JIANGSU-AP China Mobile communications co 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1313 1116 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:11 /9:6 /10:17 /11:30 /12:92 /13:125 /14:365 /15:705 /16:5925 /17:2473 /18:2604 /19:5144 /20:8511 /21:10653 /22:19574 /23:20398 /24:108979 /25:76 /26:50 /27:71 /28:19 /29:20 /30:17 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2845 5005 UNINET, MX 16509 2096 9825 AMAZON-02, US 209 962 1704 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1856 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 718 859 BRSPD-PUBLIC, US 6147 698 1102 Telefonica del Peru S.A.A., PE 8376 563 718 Jordan Data Communications, JO 7979 451 1001 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:384 3:325 5:1050 6:149 7:5 8:620 11:171 12:652 13:310 14:100 15:282 16:174 17:6 18:737 20:34 21:4 22:188 23:1781 24:400 25:2 27:27 29:19 31:175 32:1 34:11 35:57 36:1175 37:405 38:837 39:522 40:11 41:504 42:23 43:181 44:30 45:2386 46:606 47:98 49:11 50:261 51:473 52:1361 54:272 55:927 57:16 58:5 59:38 60:19 61:64 62:340 63:475 64:1503 65:804 66:1241 67:682 68:165 69:751 70:146 71:189 72:387 74:739 75:394 76:202 77:305 78:486 79:172 80:210 81:181 82:181 83:96 84:179 85:330 86:149 87:147 88:119 89:510 90:98 91:561 92:390 93:782 94:510 95:1080 96:166 97:31 98:129 99:151 100:22 101:21 102:221 103:1081 104:708 105:100 106:3 107:213 108:297 109:266 110:34 111:1791 112:448 113:43 114:34 115:15 116:32 117:956 118:109 119:100 120:1090 121:16 122:108 123:49 124:58 125:12 128:353 129:276 130:490 131:789 132:501 133:267 134:338 135:68 136:364 137:408 138:773 139:388 140:591 141:323 142:697 143:608 144:329 145:64 146:473 147:317 148:594 149:491 150:291 151:565 152:536 153:118 154:553 155:676 156:443 157:273 158:318 159:592 160:325 161:423 162:690 163:292 164:636 165:383 166:96 167:392 168:987 169:153 170:1299 171:66 172:890 173:620 174:109 175:41 176:397 177:746 178:308 179:514 180:47 181:985 182:68 183:854 184:198 185:2324 186:1028 187:755 188:485 189:1102 190:2901 191:193 192:3828 193:1260 194:822 195:566 196:372 197:386 198:1939 199:3448 200:2617 201:2462 202:1064 203:628 204:1754 205:1682 206:1147 207:1086 208:978 209:1455 210:344 211:431 212:701 213:560 214:1016 215:42 216:1694 217:281 218:525 219:22 220:29 221:302 222:22 223:635 End of report