IPv4 R&E Routing Table Report 20:15 GMT Tue 13 Feb, 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: 188112 Prefixes after maximum aggregation (per Origin AS): 81655 Deaggregation factor: 2.30 Unique aggregates announced (without unneeded subnets): 101953 Number of IPv4 prefixes with a valid ROA: 71815 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 116273 Total ASes present in the Internet Routing Table: 15744 Prefixes per ASN: 11.95 Origin-only ASes present in the Internet Routing Table: 13630 Origin ASes announcing only one prefix: 6247 Transit ASes present in the Internet Routing Table: 2114 Transit-only ASes present in the Internet Routing Table: 557 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 ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 227 Number of instances of unregistered ASNs: 227 Number of 32-bit ASNs allocated by the RIRs: 43610 Number of 32-bit ASNs visible in the Routing Table: 5648 Prefixes from 32-bit ASNs in the Routing Table: 18546 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: 81 Number of addresses announced to Internet: 1075251769 Equivalent to 64 /8s, 23 /16s and 10 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 55385 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28635 Total APNIC prefixes after maximum aggregation: 6514 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28500 Unique aggregates announced from the APNIC address blocks: 7543 APNIC Region origin ASes present in the Internet Routing Table: 1088 APNIC Prefixes per ASN: 26.19 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 182 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 464 Number of APNIC addresses announced to Internet: 172027272 Equivalent to 10 /8s, 64 /16s and 237 /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: 82668 Total ARIN prefixes after maximum aggregation: 45171 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81642 Unique aggregates announced from the ARIN address blocks: 50631 ARIN Region origin ASes present in the Internet Routing Table: 7171 ARIN Prefixes per ASN: 11.39 ARIN Region origin ASes announcing only one prefix: 3062 ARIN Region transit ASes present in the Internet Routing Table: 639 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1438 Number of ARIN addresses announced to Internet: 606790369 Equivalent to 36 /8s, 42 /16s and 226 /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: 38486 Total RIPE prefixes after maximum aggregation: 17998 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 38878 Unique aggregates announced from the RIPE address blocks: 25296 RIPE Region origin ASes present in the Internet Routing Table: 3547 RIPE Prefixes per ASN: 10.96 RIPE Region origin ASes announcing only one prefix: 1550 RIPE Region transit ASes present in the Internet Routing Table: 525 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: 1281 Number of RIPE addresses announced to Internet: 189983440 Equivalent to 11 /8s, 82 /16s and 234 /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: 32379 Total LACNIC prefixes after maximum aggregation: 9983 LACNIC Deaggregation factor: 3.24 Prefixes being announced from the LACNIC address blocks: 32152 Unique aggregates announced from the LACNIC address blocks: 15276 LACNIC Region origin ASes present in the Internet Routing Table: 3077 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 1105 LACNIC Region transit ASes present in the Internet Routing Table: 607 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: 2359 Number of LACNIC addresses announced to Internet: 73958144 Equivalent to 4 /8s, 104 /16s and 131 /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: 5717 Total AfriNIC prefixes after maximum aggregation: 1804 AfriNIC Deaggregation factor: 3.17 Prefixes being announced from the AfriNIC address blocks: 6859 Unique aggregates announced from the AfriNIC address blocks: 3128 AfriNIC Region origin ASes present in the Internet Routing Table: 212 AfriNIC Prefixes per ASN: 32.35 AfriNIC Region origin ASes announcing only one prefix: 88 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: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 106 Number of AfriNIC addresses announced to Internet: 32445184 Equivalent to 1 /8s, 239 /16s and 19 /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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 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 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 437 488 105 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 9643 11227 3363 AMAZON-02, US 749 3184 54927 2435 DNIC-AS-00749, US 367 2938 3732 1434 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1581 412 540 DNIC-ASBLK-05800-06055, US 4155 1167 76 943 USDA-1, US 7979 983 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 926 433 851 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1348 112 1095 AKAMAI-ASN1, NL 3215 924 4887 294 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 719 60 22 Jordan Data Communications, JO 8452 566 1841 11 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 420 61 346 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 5861 1638 847 UNINET, MX 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 589 108 221 Techtel LMDS Comunicaciones Interactiva 26599 545 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 477 68 210 Mega Cable, S.A. de C.V., MX 22368 247 27 75 TELEBUCARAMANGA S.A. E.S.P., CO 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 29571 714 47 288 ORANGE-COTE-IVOIRE, CI 24863 676 285 182 LINKdotNET-AS, EG 36992 551 806 299 ETISALAT-MISR, EG 36914 490 82 3 KENET-AS, KE 24835 416 364 28 RAYA-AS, EG 2018 381 319 71 TENET-1, ZA 36935 323 518 26 Vodafone-, EG 37492 170 471 44 ORANGE-, TN 327687 161 28 3 RENU, UG 37480 141 9 23 Cobranet, NG 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 9643 11227 3363 AMAZON-02, US 9808 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 8151 5861 1638 847 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3184 54927 2435 DNIC-AS-00749, US 367 2938 3732 1434 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1581 412 540 DNIC-ASBLK-05800-06055, US 56047 1469 188 34 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 9636 9586 CHINAMOBILE-CN China Mobile Communications Grou 8151 5861 5014 UNINET, MX 39891 4658 4603 ALJAWWALSTC-AS, SA 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2938 1504 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1709 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1114 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 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 /11:30 /12:77 /13:132 /14:362 /15:746 /16:5595 /17:2693 /18:2792 /19:5767 /20:9027 /21:11218 /22:20558 /23:20769 /24:108051 /25:80 /26:51 /27:73 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 3119 5861 UNINET, MX 16509 2042 9643 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1854 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 677 814 BRSPD-PUBLIC, US 8376 561 719 Jordan Data Communications, JO 36914 475 490 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:476 3:265 5:1072 6:165 7:5 8:618 11:171 12:252 13:327 14:98 15:280 16:169 17:6 18:680 20:30 21:4 22:188 23:1861 24:394 25:2 27:17 29:19 31:225 32:1 34:2 35:53 36:1110 37:472 38:812 39:523 40:8 41:660 42:14 43:173 44:29 45:2312 46:612 47:148 49:10 50:247 51:471 52:1361 54:296 55:883 57:18 58:6 59:31 60:19 61:62 62:379 63:459 64:1453 65:806 66:1271 67:676 68:143 69:711 70:151 71:196 72:397 74:735 75:389 76:200 77:273 78:553 79:169 80:216 81:188 82:184 83:84 84:193 85:333 86:156 87:170 88:99 89:281 90:97 91:574 92:391 93:734 94:521 95:1115 96:168 97:30 98:130 99:147 100:22 101:25 102:175 103:987 104:666 105:156 106:2 107:223 108:306 109:223 110:30 111:1742 112:455 113:40 114:31 115:11 116:32 117:951 118:45 119:99 120:1088 121:32 122:79 123:20 124:55 125:12 128:417 129:282 130:506 131:788 132:511 133:264 134:332 135:69 136:362 137:434 138:715 139:442 140:580 141:191 142:696 143:700 144:316 145:80 146:507 147:345 148:590 149:494 150:307 151:549 152:357 153:119 154:404 155:672 156:301 157:234 158:313 159:529 160:768 161:454 162:674 163:307 164:599 165:389 166:104 167:365 168:943 169:150 170:1223 171:63 172:883 173:611 174:107 175:36 176:435 177:728 178:272 179:459 180:46 181:960 182:8 183:853 184:205 185:2361 186:1004 187:969 188:537 189:1119 190:2932 191:172 192:3708 193:1357 194:910 195:662 196:456 197:656 198:1916 199:2958 200:2702 201:2465 202:936 203:633 204:1739 205:1630 206:1074 207:1031 208:963 209:1348 210:293 211:445 212:727 213:673 214:1110 215:43 216:1670 217:358 218:515 219:20 220:30 221:292 222:18 223:627 End of report