IPv4 R&E Routing Table Report 20:15 GMT Sun 19 May, 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: 191124 Prefixes after maximum aggregation (per Origin AS): 84748 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 105684 Number of IPv4 prefixes with a valid ROA: 74994 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 116111 Total ASes present in the Internet Routing Table: 16079 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 13876 Origin ASes announcing only one prefix: 6361 Transit ASes present in the Internet Routing Table: 2203 Transit-only ASes present in the Internet Routing Table: 597 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 253 Number of instances of unregistered ASNs: 253 Number of 32-bit ASNs allocated by the RIRs: 44497 Number of 32-bit ASNs visible in the Routing Table: 5773 Prefixes from 32-bit ASNs in the Routing Table: 19800 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: 105 Number of addresses announced to Internet: 1117698209 Equivalent to 66 /8s, 158 /16s and 184 /24s Percentage of available address space announced: 30.2 Percentage of allocated address space announced: 30.2 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: 56187 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30547 Total APNIC prefixes after maximum aggregation: 7266 APNIC Deaggregation factor: 4.20 Prefixes being announced from the APNIC address blocks: 29989 Unique aggregates announced from the APNIC address blocks: 8278 APNIC Region origin ASes present in the Internet Routing Table: 1197 APNIC Prefixes per ASN: 25.05 APNIC Region origin ASes announcing only one prefix: 490 APNIC Region transit ASes present in the Internet Routing Table: 205 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 534 Number of APNIC addresses announced to Internet: 201395056 Equivalent to 12 /8s, 1 /16s and 11 /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: 88824 Total ARIN prefixes after maximum aggregation: 48470 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87506 Unique aggregates announced from the ARIN address blocks: 54467 ARIN Region origin ASes present in the Internet Routing Table: 7489 ARIN Prefixes per ASN: 11.68 ARIN Region origin ASes announcing only one prefix: 3238 ARIN Region transit ASes present in the Internet Routing Table: 682 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: 1555 Number of ARIN addresses announced to Internet: 655729761 Equivalent to 39 /8s, 21 /16s and 164 /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: 36751 Total RIPE prefixes after maximum aggregation: 17403 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 37454 Unique aggregates announced from the RIPE address blocks: 25132 RIPE Region origin ASes present in the Internet Routing Table: 3501 RIPE Prefixes per ASN: 10.70 RIPE Region origin ASes announcing only one prefix: 1477 RIPE Region transit ASes present in the Internet Routing Table: 534 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1292 Number of RIPE addresses announced to Internet: 160118224 Equivalent to 9 /8s, 139 /16s and 53 /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: 29985 Total LACNIC prefixes after maximum aggregation: 9458 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 29683 Unique aggregates announced from the LACNIC address blocks: 14477 LACNIC Region origin ASes present in the Internet Routing Table: 2962 LACNIC Prefixes per ASN: 10.02 LACNIC Region origin ASes announcing only one prefix: 1064 LACNIC Region transit ASes present in the Internet Routing Table: 601 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: 2267 Number of LACNIC addresses announced to Internet: 72556288 Equivalent to 4 /8s, 83 /16s and 31 /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: 4764 Total AfriNIC prefixes after maximum aggregation: 1969 AfriNIC Deaggregation factor: 2.42 Prefixes being announced from the AfriNIC address blocks: 6387 Unique aggregates announced from the AfriNIC address blocks: 3232 AfriNIC Region origin ASes present in the Internet Routing Table: 234 AfriNIC Prefixes per ASN: 27.29 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 125 Number of AfriNIC addresses announced to Internet: 27806464 Equivalent to 1 /8s, 168 /16s and 75 /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 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1483 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 723 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 453 490 109 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 9903 11372 3563 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2782 3441 1307 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1814 116 1247 USDA-1, US 209 1698 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1344 387 611 DNIC-ASBLK-05800-06055, US 7979 985 64 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 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 1285 106 1038 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 821 1044 145 SAUDINETSTC-AS, SA 8376 719 60 21 Jordan Data Communications, JO 8452 621 1841 11 TE-AS TE-AS, EG 51167 509 98 214 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 387 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 5336 1504 747 UNINET, MX 3816 1321 789 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 753 1126 30 TELEFONICA BRASIL S.A, BR 26599 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 491 66 214 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 22724 230 15 98 PUNTONET S.A., EC 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 630 210 256 LINKdotNET-AS, EG 2018 379 319 71 TENET-1, ZA 29571 324 46 115 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 251 82 3 KENET-AS, KE 36992 198 259 166 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 137 36 51 EthioNet-AS, ET 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 9903 11372 3563 AMAZON-02, US 9808 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5336 1504 747 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2782 3441 1307 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1814 116 1247 USDA-1, US 209 1698 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 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 9650 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5336 4589 UNINET, MX 11776 1862 1642 ATLANTICBB-JOHNSTOWN, US 367 2782 1475 DNIC-ASBLK-00306-00371, US 56047 1506 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1698 1387 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1483 1374 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1131 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 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 32282 UNALLOCATED 12.162.231.0/24 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 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 41.57.127.0/24 Origin: 37442 RESERVED, ZZ 41.57.127.0/24 Transit: 37204 TELONE, ZW 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 /9:6 /10:17 /11:30 /12:92 /13:124 /14:358 /15:694 /16:5955 /17:2480 /18:2570 /19:5424 /20:8698 /21:10827 /22:19814 /23:20734 /24:113039 /25:75 /26:49 /27:70 /28:19 /29:20 /30:14 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2882 5336 UNINET, MX 16509 2123 9903 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 960 1698 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1862 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 740 881 BRSPD-PUBLIC, US 6147 681 1085 Telefonica del Peru S.A.A., PE 8376 564 719 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:369 3:340 5:1114 6:150 7:5 8:629 11:171 12:657 13:303 14:121 15:282 16:175 17:6 18:737 20:33 21:4 22:188 23:1886 24:738 25:2 27:47 29:19 31:208 32:1 34:10 35:57 36:1175 37:454 38:876 39:524 40:11 41:743 42:13 43:196 44:35 45:2431 46:634 47:98 49:9 50:281 51:476 52:1363 54:275 55:997 57:16 58:7 59:39 60:19 61:63 62:337 63:502 64:1536 65:821 66:1278 67:838 68:175 69:843 70:144 71:196 72:485 74:731 75:395 76:210 77:322 78:582 79:193 80:218 81:186 82:180 83:112 84:197 85:344 86:161 87:152 88:150 89:536 90:96 91:612 92:415 93:808 94:513 95:1110 96:374 97:34 98:136 99:151 100:23 101:22 102:221 103:1191 104:759 105:143 106:3 107:199 108:311 109:264 110:39 111:1789 112:464 113:47 114:32 115:15 116:34 117:972 118:71 119:105 120:1078 121:40 122:87 123:20 124:58 125:12 128:364 129:281 130:504 131:808 132:498 133:195 134:348 135:90 136:368 137:422 138:760 139:405 140:599 141:323 142:697 143:597 144:336 145:64 146:495 147:391 148:624 149:499 150:290 151:581 152:583 153:118 154:604 155:683 156:444 157:287 158:317 159:691 160:732 161:479 162:700 163:295 164:653 165:393 166:100 167:401 168:910 169:152 170:1247 171:65 172:909 173:820 174:170 175:41 176:411 177:705 178:326 179:501 180:55 181:1006 182:26 183:826 184:310 185:2491 186:788 187:769 188:637 189:1098 190:2722 191:226 192:3908 193:1296 194:857 195:575 196:464 197:407 198:2004 199:3672 200:2447 201:2370 202:1081 203:642 204:1793 205:1691 206:1202 207:1161 208:934 209:1417 210:350 211:431 212:704 213:587 214:1027 215:42 216:1792 217:338 218:525 219:24 220:29 221:304 222:22 223:643 End of report