IPv4 R&E Routing Table Report 20:15 GMT Mon 15 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: 184358 Prefixes after maximum aggregation (per Origin AS): 80564 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100699 Number of IPv4 prefixes with a valid ROA: 70309 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 114032 Total ASes present in the Internet Routing Table: 15773 Prefixes per ASN: 11.69 Origin-only ASes present in the Internet Routing Table: 13660 Origin ASes announcing only one prefix: 6216 Transit ASes present in the Internet Routing Table: 2113 Transit-only ASes present in the Internet Routing Table: 565 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: 225 Number of instances of unregistered ASNs: 225 Number of 32-bit ASNs allocated by the RIRs: 44132 Number of 32-bit ASNs visible in the Routing Table: 5688 Prefixes from 32-bit ASNs in the Routing Table: 19052 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: 86 Number of addresses announced to Internet: 1070233525 Equivalent to 63 /8s, 202 /16s and 119 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 53220 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29902 Total APNIC prefixes after maximum aggregation: 6902 APNIC Deaggregation factor: 4.33 Prefixes being announced from the APNIC address blocks: 29551 Unique aggregates announced from the APNIC address blocks: 7962 APNIC Region origin ASes present in the Internet Routing Table: 1092 APNIC Prefixes per ASN: 27.06 APNIC Region origin ASes announcing only one prefix: 434 APNIC Region transit ASes present in the Internet Routing Table: 181 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: 465 Number of APNIC addresses announced to Internet: 198864516 Equivalent to 11 /8s, 218 /16s and 110 /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: 83398 Total ARIN prefixes after maximum aggregation: 45393 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 82107 Unique aggregates announced from the ARIN address blocks: 51159 ARIN Region origin ASes present in the Internet Routing Table: 7348 ARIN Prefixes per ASN: 11.17 ARIN Region origin ASes announcing only one prefix: 3172 ARIN Region transit ASes present in the Internet Routing Table: 633 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: 1506 Number of ARIN addresses announced to Internet: 605306977 Equivalent to 36 /8s, 20 /16s and 64 /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: 35055 Total RIPE prefixes after maximum aggregation: 16555 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35746 Unique aggregates announced from the RIPE address blocks: 23416 RIPE Region origin ASes present in the Internet Routing Table: 3386 RIPE Prefixes per ASN: 10.56 RIPE Region origin ASes announcing only one prefix: 1459 RIPE Region transit ASes present in the Internet Routing Table: 511 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1262 Number of RIPE addresses announced to Internet: 161433552 Equivalent to 9 /8s, 159 /16s and 71 /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: 31273 Total LACNIC prefixes after maximum aggregation: 10012 LACNIC Deaggregation factor: 3.12 Prefixes being announced from the LACNIC address blocks: 30963 Unique aggregates announced from the LACNIC address blocks: 15496 LACNIC Region origin ASes present in the Internet Routing Table: 3059 LACNIC Prefixes per ASN: 10.12 LACNIC Region origin ASes announcing only one prefix: 1059 LACNIC Region transit ASes present in the Internet Routing Table: 613 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: 2339 Number of LACNIC addresses announced to Internet: 72275456 Equivalent to 4 /8s, 78 /16s and 214 /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: 4505 Total AfriNIC prefixes after maximum aggregation: 1514 AfriNIC Deaggregation factor: 2.98 Prefixes being announced from the AfriNIC address blocks: 5905 Unique aggregates announced from the AfriNIC address blocks: 2581 AfriNIC Region origin ASes present in the Internet Routing Table: 223 AfriNIC Prefixes per ASN: 26.48 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 59 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: 116 Number of AfriNIC addresses announced to Internet: 32302080 Equivalent to 1 /8s, 236 /16s and 228 /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 9664 8742 62 CHINAMOBILE-CN China Mobile Communicati 56047 1503 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 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 732 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 9838 11366 3438 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2816 3548 1343 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1606 103 1168 USDA-1, US 5972 1399 393 638 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 19901 850 554 634 BRSPD-PUBLIC, 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 1309 111 1066 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 21 Jordan Data Communications, JO 8452 518 1841 10 TE-AS TE-AS, EG 12479 455 1209 191 UNI2-AS, ES 51167 441 83 187 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 391 34 5 ASN-ISKON, HR 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 5016 1299 874 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1081 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 921 1128 28 TELEFONICA BRASIL S.A, BR 11664 592 105 226 Techtel LMDS Comunicaciones Interactiva 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 483 66 207 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 627 237 192 LINKdotNET-AS, EG 24835 454 365 30 RAYA-AS, EG 2018 380 319 71 TENET-1, ZA 36992 372 582 249 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 202 82 3 KENET-AS, KE 37282 157 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 9838 11366 3438 AMAZON-02, US 9808 9664 8742 62 CHINAMOBILE-CN China Mobile Communicati 8151 5016 1299 874 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2816 3548 1343 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1606 103 1168 USDA-1, US 56047 1503 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 9664 9602 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5016 4142 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2816 1473 DNIC-ASBLK-00306-00371, US 56047 1503 1456 CMNET-HUNAN-AP China Mobile communications corp 209 1694 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1371 CMNET-JIANGSU-AP China Mobile communications co 3816 1313 1119 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 41.74.44.0/24 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 41.204.248.0/24 Origin: 36911 RESERVED, ZZ 41.204.248.0/24 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 /9:4 /10:17 /11:29 /12:81 /13:116 /14:342 /15:677 /16:5922 /17:2487 /18:2571 /19:5099 /20:8428 /21:10594 /22:19764 /23:20196 /24:107761 /25:76 /26:50 /27:71 /28:19 /29:21 /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 2854 5016 UNINET, MX 16509 2093 9838 AMAZON-02, US 209 957 1694 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 709 850 BRSPD-PUBLIC, US 6147 678 1081 Telefonica del Peru S.A.A., PE 8376 567 722 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) ---------------------------------------------- 1:11 2:386 3:290 5:1055 6:147 7:5 8:620 11:171 12:659 13:318 14:102 15:281 16:174 17:6 18:706 20:34 21:4 22:188 23:1770 24:400 25:2 27:26 29:19 31:171 32:1 34:5 35:54 36:1157 37:461 38:838 39:522 40:9 41:495 42:23 43:182 44:27 45:2368 46:585 47:99 49:10 50:249 51:467 52:1350 54:273 55:988 57:16 58:4 59:32 60:19 61:66 62:380 63:470 64:1444 65:797 66:1229 67:671 68:149 69:729 70:147 71:189 72:361 74:729 75:392 76:204 77:299 78:486 79:162 80:215 81:184 82:167 83:163 84:182 85:345 86:148 87:160 88:134 89:501 90:104 91:550 92:411 93:777 94:510 95:1083 96:167 97:31 98:124 99:145 100:22 101:21 102:233 103:1042 104:698 105:44 106:3 107:203 108:301 109:255 110:26 111:1804 112:449 113:41 114:32 115:11 116:31 117:948 118:101 119:96 120:1092 121:31 122:107 123:49 124:57 125:11 128:362 129:275 130:479 131:776 132:500 133:267 134:340 135:67 136:359 137:404 138:780 139:384 140:591 141:315 142:684 143:595 144:324 145:65 146:477 147:315 148:624 149:514 150:291 151:563 152:356 153:117 154:584 155:672 156:447 157:266 158:313 159:529 160:339 161:419 162:670 163:292 164:621 165:376 166:98 167:375 168:988 169:157 170:1263 171:65 172:897 173:619 174:103 175:39 176:398 177:706 178:311 179:494 180:47 181:995 182:58 183:851 184:198 185:2266 186:1037 187:713 188:480 189:1059 190:2883 191:183 192:3648 193:1223 194:787 195:552 196:383 197:392 198:1909 199:3401 200:2663 201:2451 202:1056 203:602 204:1738 205:1667 206:1138 207:1061 208:949 209:1442 210:324 211:431 212:686 213:562 214:1039 215:43 216:1680 217:280 218:519 219:21 220:30 221:302 222:22 223:633 End of report