IPv4 R&E Routing Table Report 20:15 GMT Tue 26 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: 183500 Prefixes after maximum aggregation (per Origin AS): 80153 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100433 Number of IPv4 prefixes with a valid ROA: 69798 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 113679 Total ASes present in the Internet Routing Table: 15599 Prefixes per ASN: 11.76 Origin-only ASes present in the Internet Routing Table: 13470 Origin ASes announcing only one prefix: 6092 Transit ASes present in the Internet Routing Table: 2129 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: 224 Number of instances of unregistered ASNs: 224 Number of 32-bit ASNs allocated by the RIRs: 43905 Number of 32-bit ASNs visible in the Routing Table: 5692 Prefixes from 32-bit ASNs in the Routing Table: 18989 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: 98 Number of addresses announced to Internet: 1025676217 Equivalent to 61 /8s, 34 /16s and 147 /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: 53646 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28778 Total APNIC prefixes after maximum aggregation: 6527 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28501 Unique aggregates announced from the APNIC address blocks: 7563 APNIC Region origin ASes present in the Internet Routing Table: 1099 APNIC Prefixes per ASN: 25.93 APNIC Region origin ASes announcing only one prefix: 433 APNIC Region transit ASes present in the Internet Routing Table: 178 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 474 Number of APNIC addresses announced to Internet: 157699208 Equivalent to 9 /8s, 102 /16s and 76 /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: 82654 Total ARIN prefixes after maximum aggregation: 44877 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81541 Unique aggregates announced from the ARIN address blocks: 50656 ARIN Region origin ASes present in the Internet Routing Table: 7180 ARIN Prefixes per ASN: 11.36 ARIN Region origin ASes announcing only one prefix: 3054 ARIN Region transit ASes present in the Internet Routing Table: 642 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: 1462 Number of ARIN addresses announced to Internet: 605385057 Equivalent to 36 /8s, 21 /16s and 113 /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: 34884 Total RIPE prefixes after maximum aggregation: 16518 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35364 Unique aggregates announced from the RIPE address blocks: 23301 RIPE Region origin ASes present in the Internet Routing Table: 3268 RIPE Prefixes per ASN: 10.82 RIPE Region origin ASes announcing only one prefix: 1394 RIPE Region transit ASes present in the Internet Routing Table: 516 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: 1212 Number of RIPE addresses announced to Internet: 157170128 Equivalent to 9 /8s, 94 /16s and 57 /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: 32431 Total LACNIC prefixes after maximum aggregation: 10363 LACNIC Deaggregation factor: 3.13 Prefixes being announced from the LACNIC address blocks: 32141 Unique aggregates announced from the LACNIC address blocks: 16075 LACNIC Region origin ASes present in the Internet Routing Table: 3142 LACNIC Prefixes per ASN: 10.23 LACNIC Region origin ASes announcing only one prefix: 1111 LACNIC Region transit ASes present in the Internet Routing Table: 621 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: 2418 Number of LACNIC addresses announced to Internet: 74027008 Equivalent to 4 /8s, 105 /16s and 144 /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: 4529 Total AfriNIC prefixes after maximum aggregation: 1684 AfriNIC Deaggregation factor: 2.69 Prefixes being announced from the AfriNIC address blocks: 5855 Unique aggregates announced from the AfriNIC address blocks: 2746 AfriNIC Region origin ASes present in the Internet Routing Table: 240 AfriNIC Prefixes per ASN: 24.40 AfriNIC Region origin ASes announcing only one prefix: 100 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 126 Number of AfriNIC addresses announced to Internet: 31339008 Equivalent to 1 /8s, 222 /16s and 50 /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 9668 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1478 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 9739 11355 3429 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2925 3616 1390 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1549 100 1153 USDA-1, US 5972 1418 396 641 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 952 255 82 CANET-ASN-4, CA 16625 850 397 782 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 1291 109 1055 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 544 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 5369 1554 858 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 944 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 571 2949 46 TELEFONICA BRASIL S.A, BR 10620 545 71 456 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 607 234 177 LINKdotNET-AS, EG 36992 446 652 282 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 266 67 80 Vodafone-, EG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 164 28 3 RENU, UG 37282 163 26 6 MAINONE, NG 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 9739 11355 3429 AMAZON-02, US 9808 9668 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5369 1554 858 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2925 3616 1390 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1549 100 1153 USDA-1, US 56047 1478 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 9668 9608 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5369 4511 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2925 1535 DNIC-ASBLK-00306-00371, US 56047 1478 1444 CMNET-HUNAN-AP China Mobile communications corp 209 1695 1380 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 1312 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 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 /13:114 /14:335 /15:674 /16:5283 /17:2511 /18:2594 /19:5331 /20:8548 /21:10800 /22:19606 /23:20349 /24:106990 /25:69 /26:39 /27:70 /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 2934 5369 UNINET, MX 16509 2064 9739 AMAZON-02, US 209 957 1695 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 689 828 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 565 720 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) ---------------------------------------------- 1:9 2:374 3:285 5:1074 6:148 7:5 8:620 11:171 12:257 13:315 14:118 15:281 16:174 17:6 18:705 20:33 21:4 22:188 23:1805 24:404 25:2 27:18 29:19 31:164 32:1 34:5 35:53 36:1147 37:514 38:832 39:523 40:8 41:572 42:21 43:185 44:28 45:2297 46:577 47:99 49:11 50:250 51:470 52:1345 54:269 55:987 57:16 58:4 59:30 60:19 61:62 62:334 63:464 64:1442 65:793 66:1230 67:678 68:165 69:738 70:147 71:189 72:371 74:734 75:392 76:208 77:274 78:484 79:161 80:195 81:185 82:161 83:95 84:182 85:319 86:146 87:141 88:122 89:463 90:98 91:507 92:398 93:777 94:539 95:1079 96:165 97:31 98:125 99:146 100:22 101:25 102:236 103:1062 104:687 105:31 106:3 107:222 108:297 109:233 110:24 111:1756 112:447 113:40 114:32 115:12 116:31 117:947 118:52 119:97 120:1092 121:31 122:80 123:20 124:57 125:11 128:360 129:320 130:473 131:778 132:501 133:264 134:331 135:66 136:372 137:470 138:753 139:396 140:584 141:314 142:696 143:574 144:319 145:59 146:461 147:320 148:611 149:507 150:290 151:493 152:362 153:117 154:534 155:658 156:365 157:244 158:315 159:527 160:324 161:414 162:690 163:282 164:626 165:368 166:100 167:377 168:1008 169:155 170:1253 171:64 172:899 173:618 174:103 175:46 176:399 177:764 178:330 179:534 180:51 181:1008 182:20 183:855 184:198 185:2209 186:1017 187:785 188:485 189:1123 190:2952 191:208 192:3677 193:1212 194:784 195:554 196:424 197:403 198:1898 199:3352 200:2677 201:2561 202:940 203:591 204:1764 205:1641 206:1131 207:1058 208:973 209:1432 210:306 211:423 212:674 213:519 214:1040 215:43 216:1690 217:282 218:515 219:19 220:30 221:300 222:17 223:632 End of report