IPv4 R&E Routing Table Report 20:15 GMT Thu 18 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: 186987 Prefixes after maximum aggregation (per Origin AS): 81835 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101485 Number of IPv4 prefixes with a valid ROA: 71904 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 115065 Total ASes present in the Internet Routing Table: 15824 Prefixes per ASN: 11.82 Origin-only ASes present in the Internet Routing Table: 13692 Origin ASes announcing only one prefix: 6250 Transit ASes present in the Internet Routing Table: 2132 Transit-only ASes present in the Internet Routing Table: 577 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: 226 Number of instances of unregistered ASNs: 226 Number of 32-bit ASNs allocated by the RIRs: 44183 Number of 32-bit ASNs visible in the Routing Table: 5732 Prefixes from 32-bit ASNs in the Routing Table: 19410 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: 94 Number of addresses announced to Internet: 1115595345 Equivalent to 66 /8s, 126 /16s and 162 /24s Percentage of available address space announced: 30.1 Percentage of allocated address space announced: 30.1 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: 53655 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30330 Total APNIC prefixes after maximum aggregation: 7090 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29930 Unique aggregates announced from the APNIC address blocks: 8241 APNIC Region origin ASes present in the Internet Routing Table: 1135 APNIC Prefixes per ASN: 26.37 APNIC Region origin ASes announcing only one prefix: 450 APNIC Region transit ASes present in the Internet Routing Table: 196 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: 199333744 Equivalent to 11 /8s, 225 /16s and 151 /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: 85259 Total ARIN prefixes after maximum aggregation: 46422 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 83831 Unique aggregates announced from the ARIN address blocks: 51349 ARIN Region origin ASes present in the Internet Routing Table: 7330 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3161 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: 1494 Number of ARIN addresses announced to Internet: 650991713 Equivalent to 38 /8s, 205 /16s and 88 /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: 35257 Total RIPE prefixes after maximum aggregation: 16544 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 36069 Unique aggregates announced from the RIPE address blocks: 23659 RIPE Region origin ASes present in the Internet Routing Table: 3365 RIPE Prefixes per ASN: 10.72 RIPE Region origin ASes announcing only one prefix: 1451 RIPE Region transit ASes present in the Internet Routing Table: 515 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1247 Number of RIPE addresses announced to Internet: 161160064 Equivalent to 9 /8s, 155 /16s and 27 /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: 31382 Total LACNIC prefixes after maximum aggregation: 10057 LACNIC Deaggregation factor: 3.12 Prefixes being announced from the LACNIC address blocks: 31088 Unique aggregates announced from the LACNIC address blocks: 15526 LACNIC Region origin ASes present in the Internet Routing Table: 3093 LACNIC Prefixes per ASN: 10.05 LACNIC Region origin ASes announcing only one prefix: 1082 LACNIC Region transit ASes present in the Internet Routing Table: 629 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: 2388 Number of LACNIC addresses announced to Internet: 72009216 Equivalent to 4 /8s, 74 /16s and 198 /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: 4533 Total AfriNIC prefixes after maximum aggregation: 1536 AfriNIC Deaggregation factor: 2.95 Prefixes being announced from the AfriNIC address blocks: 5975 Unique aggregates announced from the AfriNIC address blocks: 2618 AfriNIC Region origin ASes present in the Internet Routing Table: 227 AfriNIC Prefixes per ASN: 26.32 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 117 Number of AfriNIC addresses announced to Internet: 32044032 Equivalent to 1 /8s, 232 /16s and 244 /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 9692 8743 63 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1487 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 730 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 9868 11370 3461 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2833 3551 1353 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1625 105 1174 USDA-1, US 5972 1400 393 639 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 717 60 21 Jordan Data Communications, JO 8452 524 1841 10 TE-AS TE-AS, EG 51167 500 96 207 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 397 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 5008 1299 873 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 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 588 103 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 480 67 206 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 664 242 206 LINKdotNET-AS, EG 24835 423 365 30 RAYA-AS, EG 2018 380 319 71 TENET-1, ZA 36992 350 550 243 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 204 82 3 KENET-AS, KE 37282 159 20 53 MAINONE, NG 37492 156 471 44 ORANGE-, TN 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 9868 11370 3461 AMAZON-02, US 9808 9692 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5008 1299 873 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2833 3551 1353 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1625 105 1174 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 9692 9629 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5008 4135 UNINET, MX 11776 1856 1636 ATLANTICBB-JOHNSTOWN, US 367 2833 1480 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1390 CENTURYLINK-US-LEGACY-QWEST, US 56046 1487 1377 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 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.240.0/24 Origin: 36911 RESERVED, ZZ 41.204.240.0/24 Transit: 328766 RESERVED, ZZ 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 /11:31 /12:92 /13:126 /14:365 /15:709 /16:5956 /17:2487 /18:2642 /19:5149 /20:8640 /21:10731 /22:19876 /23:20537 /24:109357 /25:76 /26:49 /27:70 /28:18 /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 2849 5008 UNINET, MX 16509 2095 9868 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 716 857 BRSPD-PUBLIC, US 6147 678 1080 Telefonica del Peru S.A.A., PE 8376 562 717 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 2:387 3:325 5:1056 6:149 7:5 8:614 11:171 12:651 13:316 14:100 15:281 16:174 17:6 18:737 20:34 21:4 22:188 23:1772 24:397 25:2 27:27 29:19 31:175 32:1 34:11 35:59 36:1175 37:477 38:834 39:522 40:11 41:508 42:23 43:184 44:29 45:2401 46:605 47:98 49:11 50:262 51:467 52:1363 54:272 55:997 57:16 58:4 59:38 60:19 61:65 62:347 63:472 64:1515 65:798 66:1243 67:683 68:165 69:750 70:147 71:189 72:372 74:745 75:394 76:212 77:304 78:488 79:171 80:210 81:202 82:167 83:96 84:179 85:332 86:148 87:147 88:119 89:510 90:97 91:550 92:395 93:784 94:532 95:1081 96:167 97:31 98:130 99:151 100:22 101:21 102:216 103:1100 104:709 105:113 106:3 107:209 108:301 109:263 110:32 111:1808 112:449 113:43 114:34 115:13 116:32 117:961 118:110 119:99 120:1090 121:32 122:108 123:50 124:58 125:11 128:359 129:276 130:488 131:787 132:504 133:267 134:339 135:68 136:370 137:406 138:786 139:386 140:594 141:326 142:696 143:599 144:325 145:65 146:481 147:312 148:626 149:519 150:291 151:567 152:535 153:118 154:557 155:679 156:445 157:269 158:318 159:592 160:341 161:425 162:692 163:292 164:637 165:385 166:96 167:392 168:997 169:152 170:1287 171:65 172:887 173:622 174:104 175:41 176:408 177:747 178:310 179:504 180:51 181:969 182:69 183:854 184:198 185:2301 186:1049 187:737 188:473 189:1051 190:2870 191:191 192:3837 193:1265 194:823 195:567 196:381 197:382 198:1950 199:3466 200:2647 201:2456 202:1067 203:630 204:1751 205:1691 206:1138 207:1080 208:984 209:1457 210:341 211:431 212:698 213:558 214:1044 215:43 216:1744 217:283 218:525 219:22 220:29 221:302 222:22 223:634 End of report