IPv4 R&E Routing Table Report 20:15 GMT Mon 11 Mar, 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: 183561 Prefixes after maximum aggregation (per Origin AS): 80153 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100839 Number of IPv4 prefixes with a valid ROA: 69124 Number of IPv4 prefixes with an invalid ROA: 81 Number of IPv4 prefixes with no ROA: 114356 Total ASes present in the Internet Routing Table: 15468 Prefixes per ASN: 11.87 Origin-only ASes present in the Internet Routing Table: 13358 Origin ASes announcing only one prefix: 6095 Transit ASes present in the Internet Routing Table: 2110 Transit-only ASes present in the Internet Routing Table: 580 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: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 212 Number of instances of unregistered ASNs: 212 Number of 32-bit ASNs allocated by the RIRs: 43819 Number of 32-bit ASNs visible in the Routing Table: 5571 Prefixes from 32-bit ASNs in the Routing Table: 18504 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: 82 Number of addresses announced to Internet: 1034383033 Equivalent to 61 /8s, 167 /16s and 110 /24s Percentage of available address space announced: 27.9 Percentage of allocated address space announced: 27.9 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: 53844 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28799 Total APNIC prefixes after maximum aggregation: 6523 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28523 Unique aggregates announced from the APNIC address blocks: 7567 APNIC Region origin ASes present in the Internet Routing Table: 1094 APNIC Prefixes per ASN: 26.07 APNIC Region origin ASes announcing only one prefix: 445 APNIC Region transit ASes present in the Internet Routing Table: 180 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 471 Number of APNIC addresses announced to Internet: 171187080 Equivalent to 10 /8s, 52 /16s and 27 /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: 82090 Total ARIN prefixes after maximum aggregation: 44658 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81010 Unique aggregates announced from the ARIN address blocks: 50354 ARIN Region origin ASes present in the Internet Routing Table: 7184 ARIN Prefixes per ASN: 11.28 ARIN Region origin ASes announcing only one prefix: 3075 ARIN Region transit ASes present in the Internet Routing Table: 641 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: 1464 Number of ARIN addresses announced to Internet: 604951393 Equivalent to 36 /8s, 14 /16s and 211 /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: 35228 Total RIPE prefixes after maximum aggregation: 16654 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35646 Unique aggregates announced from the RIPE address blocks: 23713 RIPE Region origin ASes present in the Internet Routing Table: 3272 RIPE Prefixes per ASN: 10.89 RIPE Region origin ASes announcing only one prefix: 1406 RIPE Region transit ASes present in the Internet Routing Table: 509 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1205 Number of RIPE addresses announced to Internet: 155428560 Equivalent to 9 /8s, 67 /16s and 166 /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: 32390 Total LACNIC prefixes after maximum aggregation: 10246 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32157 Unique aggregates announced from the LACNIC address blocks: 15841 LACNIC Region origin ASes present in the Internet Routing Table: 3039 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 1078 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: 2324 Number of LACNIC addresses announced to Internet: 73946368 Equivalent to 4 /8s, 104 /16s and 85 /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: 4842 Total AfriNIC prefixes after maximum aggregation: 1897 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 6143 Unique aggregates announced from the AfriNIC address blocks: 3284 AfriNIC Region origin ASes present in the Internet Routing Table: 210 AfriNIC Prefixes per ASN: 29.25 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 107 Number of AfriNIC addresses announced to Internet: 28822016 Equivalent to 1 /8s, 183 /16s and 202 /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 9626 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 434 488 105 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 9662 11324 3342 AMAZON-02, US 749 3199 54920 2451 DNIC-AS-00749, US 367 2920 3633 1410 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1706 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1433 393 645 DNIC-ASBLK-05800-06055, US 4155 1418 92 1085 USDA-1, US 7979 997 66 198 SERVERS-COM, US 855 958 255 82 CANET-ASN-4, CA 16625 887 413 818 AKAMAI-AS, 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 1299 110 1058 AKAMAI-ASN1, NL 3215 897 4811 298 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 415 60 341 TELLCOM-AS, TR 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 5344 1526 929 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1036 324 5 Instituto Costarricense de Electricidad 18881 993 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 482 66 207 Mega Cable, S.A. de C.V., MX 14117 351 61 13 Telefonica del Sur S.A., CL 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 686 240 189 LINKdotNET-AS, EG 29571 531 38 260 ORANGE-COTE-IVOIRE, CI 36992 474 671 291 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 208 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 162 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 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 9662 11324 3342 AMAZON-02, US 9808 9626 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5344 1526 929 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3199 54920 2451 DNIC-AS-00749, US 367 2920 3633 1410 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1706 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 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 9626 9575 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5344 4415 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2920 1510 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1706 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1113 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 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 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 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 /10:14 /11:27 /12:73 /13:111 /14:335 /15:671 /16:5366 /17:2508 /18:2589 /19:5324 /20:8634 /21:10764 /22:19659 /23:20148 /24:107065 /25:81 /26:51 /27:67 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2944 5344 UNINET, MX 16509 2035 9662 AMAZON-02, US 209 962 1706 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 877 1036 Instituto Costarricense de Electricidad y Telec 19901 687 825 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 562 722 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:470 3:275 5:1080 6:148 7:5 8:620 11:171 12:257 13:322 14:99 15:281 16:174 17:6 18:690 20:32 21:4 22:188 23:1823 24:394 25:2 27:17 29:19 31:168 32:1 34:3 35:53 36:1114 37:552 38:843 39:523 40:8 41:563 42:21 43:183 44:30 45:2277 46:571 47:100 49:10 50:251 51:468 52:1355 54:273 55:884 57:16 58:6 59:34 60:19 61:63 62:338 63:460 64:1446 65:798 66:1220 67:675 68:163 69:713 70:151 71:191 72:375 74:720 75:389 76:207 77:268 78:532 79:161 80:195 81:189 82:165 83:99 84:183 85:319 86:146 87:147 88:100 89:474 90:98 91:511 92:398 93:781 94:483 95:1089 96:165 97:30 98:126 99:145 100:21 101:28 102:179 103:1049 104:685 105:146 106:2 107:221 108:294 109:226 110:29 111:1747 112:447 113:40 114:32 115:11 116:33 117:945 118:52 119:95 120:1089 121:31 122:81 123:22 124:57 125:12 128:382 129:279 130:510 131:781 132:500 133:264 134:321 135:68 136:356 137:452 138:730 139:400 140:569 141:323 142:690 143:574 144:317 145:62 146:460 147:320 148:608 149:508 150:340 151:535 152:363 153:118 154:441 155:677 156:367 157:222 158:317 159:529 160:658 161:420 162:698 163:294 164:617 165:379 166:100 167:378 168:964 169:154 170:1213 171:62 172:876 173:617 174:107 175:46 176:419 177:702 178:338 179:496 180:43 181:1002 182:12 183:853 184:196 185:2190 186:1035 187:768 188:484 189:1095 190:2985 191:185 192:3681 193:1203 194:777 195:550 196:444 197:463 198:1904 199:3208 200:2740 201:2583 202:921 203:602 204:1759 205:1632 206:1128 207:1056 208:976 209:1407 210:289 211:422 212:693 213:565 214:1060 215:37 216:1695 217:301 218:515 219:19 220:30 221:294 222:18 223:626 End of report