IPv4 R&E Routing Table Report 20:15 GMT Sun 24 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: 183928 Prefixes after maximum aggregation (per Origin AS): 80190 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100701 Number of IPv4 prefixes with a valid ROA: 70154 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 113754 Total ASes present in the Internet Routing Table: 15517 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13412 Origin ASes announcing only one prefix: 6079 Transit ASes present in the Internet Routing Table: 2105 Transit-only ASes present in the Internet Routing Table: 573 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 ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 228 Number of instances of unregistered ASNs: 228 Number of 32-bit ASNs allocated by the RIRs: 43902 Number of 32-bit ASNs visible in the Routing Table: 5625 Prefixes from 32-bit ASNs in the Routing Table: 18793 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: 102 Number of addresses announced to Internet: 1026641593 Equivalent to 61 /8s, 49 /16s and 78 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 54021 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28845 Total APNIC prefixes after maximum aggregation: 6523 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28578 Unique aggregates announced from the APNIC address blocks: 7612 APNIC Region origin ASes present in the Internet Routing Table: 1095 APNIC Prefixes per ASN: 26.10 APNIC Region origin ASes announcing only one prefix: 433 APNIC Region transit ASes present in the Internet Routing Table: 176 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 473 Number of APNIC addresses announced to Internet: 157752712 Equivalent to 9 /8s, 103 /16s and 29 /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: 82438 Total ARIN prefixes after maximum aggregation: 44805 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81361 Unique aggregates announced from the ARIN address blocks: 50530 ARIN Region origin ASes present in the Internet Routing Table: 7170 ARIN Prefixes per ASN: 11.35 ARIN Region origin ASes announcing only one prefix: 3048 ARIN Region transit ASes present in the Internet Routing Table: 639 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: 1461 Number of ARIN addresses announced to Internet: 605102945 Equivalent to 36 /8s, 17 /16s and 35 /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: 35138 Total RIPE prefixes after maximum aggregation: 16589 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35622 Unique aggregates announced from the RIPE address blocks: 23388 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: 1394 RIPE Region transit ASes present in the Internet Routing Table: 510 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: 1210 Number of RIPE addresses announced to Internet: 157718992 Equivalent to 9 /8s, 102 /16s and 153 /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: 32430 Total LACNIC prefixes after maximum aggregation: 10250 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32139 Unique aggregates announced from the LACNIC address blocks: 16098 LACNIC Region origin ASes present in the Internet Routing Table: 3063 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 1105 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: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2348 Number of LACNIC addresses announced to Internet: 73945856 Equivalent to 4 /8s, 104 /16s and 83 /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: 4849 Total AfriNIC prefixes after maximum aggregation: 1837 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 6126 Unique aggregates announced from the AfriNIC address blocks: 2979 AfriNIC Region origin ASes present in the Internet Routing Table: 246 AfriNIC Prefixes per ASN: 24.90 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 133 Number of AfriNIC addresses announced to Internet: 32064000 Equivalent to 1 /8s, 233 /16s and 66 /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 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 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 435 488 107 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 9710 11352 3424 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2913 3630 1381 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1528 99 1150 USDA-1, US 5972 1421 396 641 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 856 399 788 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 1298 110 1060 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 543 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 58224 414 189 327 TCI, IR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5409 1574 856 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 UNIFIQUE TELECOMUNICACOES SA, BR 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 648 238 190 LINKdotNET-AS, EG 36992 445 652 281 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 15399 218 21 94 WANANCHI-, KE 36914 201 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 163 26 6 MAINONE, NG 327687 163 28 3 RENU, UG 37492 156 471 44 ORANGE-, 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 9710 11352 3424 AMAZON-02, US 9808 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5409 1574 856 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2913 3630 1381 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1528 99 1150 USDA-1, US 56047 1479 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 9667 9607 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5409 4553 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2913 1532 DNIC-ASBLK-00306-00371, US 56047 1479 1445 CMNET-HUNAN-AP China Mobile communications corp 209 1695 1381 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 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 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 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 /11:25 /12:74 /13:116 /14:336 /15:671 /16:5274 /17:2515 /18:2605 /19:5353 /20:8573 /21:10840 /22:19688 /23:20348 /24:107242 /25:69 /26:40 /27:71 /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 5409 UNINET, MX 16509 2047 9710 AMAZON-02, US 209 957 1695 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 692 831 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 563 721 Jordan Data Communications, JO 7979 451 1002 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 2:380 3:285 5:1070 6:148 7:5 8:622 11:171 12:250 13:315 14:99 15:281 16:174 17:6 18:699 20:33 21:4 22:188 23:1797 24:405 25:2 27:22 29:19 31:163 32:1 34:5 35:53 36:1139 37:504 38:836 39:523 40:8 41:573 42:22 43:185 44:28 45:2265 46:574 47:99 49:11 50:249 51:470 52:1347 54:268 55:961 57:16 58:4 59:30 60:19 61:63 62:340 63:464 64:1446 65:793 66:1233 67:677 68:164 69:719 70:147 71:189 72:371 74:727 75:391 76:208 77:276 78:483 79:161 80:195 81:187 82:163 83:128 84:182 85:316 86:145 87:140 88:122 89:461 90:98 91:508 92:397 93:792 94:534 95:1079 96:164 97:31 98:125 99:146 100:22 101:24 102:261 103:1053 104:688 105:30 106:3 107:222 108:297 109:234 110:24 111:1753 112:447 113:40 114:32 115:11 116:32 117:946 118:63 119:96 120:1093 121:31 122:80 123:20 124:57 125:11 128:359 129:316 130:471 131:772 132:497 133:264 134:351 135:66 136:371 137:486 138:715 139:396 140:576 141:316 142:696 143:589 144:318 145:59 146:457 147:320 148:611 149:514 150:286 151:493 152:362 153:117 154:504 155:660 156:360 157:242 158:319 159:527 160:320 161:414 162:696 163:289 164:619 165:368 166:102 167:383 168:982 169:152 170:1252 171:63 172:894 173:617 174:104 175:46 176:399 177:800 178:332 179:534 180:47 181:998 182:20 183:855 184:200 185:2214 186:1004 187:832 188:485 189:1130 190:2921 191:321 192:3689 193:1210 194:792 195:557 196:484 197:491 198:1894 199:3325 200:2672 201:2563 202:1014 203:583 204:1767 205:1663 206:1144 207:1051 208:972 209:1429 210:306 211:422 212:676 213:524 214:1042 215:43 216:1681 217:283 218:515 219:19 220:30 221:300 222:17 223:628 End of report