[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Nov 8 22:15:53 UTC 2024
IPv4 R&E Routing Table Report 22:15 GMT Fri 08 Nov, 2024
IPv4 BGP Table (R&E) as seen at RedCLARA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/
Analysis Summary
----------------
BGP routing table entries examined: 27094
Prefixes after maximum aggregation (per Origin AS): 13589
Deaggregation factor: 1.99
Unique aggregates announced (without unneeded subnets): 15465
Number of IPv4 prefixes with a valid ROA: 15573
Number of IPv4 prefixes with an invalid ROA: 12
Number of IPv4 prefixes with no ROA: 11509
Total ASes present in the Internet Routing Table: 2800
Prefixes per ASN: 9.68
Origin-only ASes present in the Internet Routing Table: 2425
Origin ASes announcing only one prefix: 1077
Transit ASes present in the Internet Routing Table: 375
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 28
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45808
Number of 32-bit ASNs visible in the Routing Table: 700
Prefixes from 32-bit ASNs in the Routing Table: 4870
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 308506256
Equivalent to 18 /8s, 99 /16s and 110 /24s
Percentage of available address space announced: 8.3
Percentage of allocated address space announced: 6.5
Percentage of available address space allocated: 127.5
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 14007
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4751
Total APNIC prefixes after maximum aggregation: 2320
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 513
Unique aggregates announced from the APNIC address blocks: 414
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 0.88
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 233
Number of APNIC addresses announced to Internet: 7601216
Equivalent to 0 /8s, 115 /16s and 252 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 16138
Total ARIN prefixes after maximum aggregation: 7651
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 5230
Unique aggregates announced from the ARIN address blocks: 3811
ARIN Region origin ASes present in the Internet Routing Table: 1272
ARIN Prefixes per ASN: 4.11
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 217
Number of ARIN addresses announced to Internet: 27930368
Equivalent to 1 /8s, 170 /16s and 47 /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 66/8, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8,
198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3617
Total RIPE prefixes after maximum aggregation: 2904
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 923
Unique aggregates announced from the RIPE address blocks: 880
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 1.37
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 11476224
Equivalent to 0 /8s, 175 /16s and 29 /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 152/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1528
Total LACNIC prefixes after maximum aggregation: 541
LACNIC Deaggregation factor: 2.82
Prefixes being announced from the LACNIC address blocks: 252
Unique aggregates announced from the LACNIC address blocks: 199
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 1.63
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 3.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 1052672
Equivalent to 0 /8s, 16 /16s and 16 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 128/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1059
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.16
Prefixes being announced from the AfriNIC address blocks: 84
Unique aggregates announced from the AfriNIC address blocks: 51
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 1.65
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 609280
Equivalent to 0 /8s, 9 /16s and 76 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 600 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US
16509 2367 1749 1064 AMAZON-02, US
14618 1017 4444 768 AMAZON-AES, US
15169 904 2007 68 GOOGLE, US
8075 681 16014 572 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 26 67 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 293 178 44 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
61468 50 5 17 CEDIA, EC
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 451 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US
16509 2367 1749 1064 AMAZON-02, US
14618 1017 4444 768 AMAZON-AES, US
15169 904 2007 68 GOOGLE, US
8075 681 16014 572 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 600 2170 465 SINET-AS Research Organization of Informa
36914 451 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
1916 293 178 44 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2367 1303 AMAZON-02, US
15169 904 836 GOOGLE, US
36914 451 448 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 1017 249 AMAZON-AES, US
1916 293 249 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
204.153.219.0/24 Origin: 14618 AMAZON-AES, US
204.153.219.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 /8:0 /9:1 /10:3 /11:10 /12:34
/13:50 /14:107 /15:197 /16:2286 /17:556 /18:536
/19:764 /20:2812 /21:1118 /22:1688 /23:1801 /24:14950
/25:50 /26:71 /27:34 /28:6 /29:14 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
396982 2657 2865 GOOGLE-CLOUD-PLATFORM, US
16509 2143 2367 AMAZON-02, US
15169 814 904 GOOGLE, US
14618 715 1017 AMAZON-AES, US
8075 368 681 MICROSOFT-CORP-MSN-AS-BLOCK, US
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
58647 149 180 KAGAWAU-AS Kagawa University, JP
36914 128 451 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 3:103 5:23 8:28 12:1
13:79 14:92 15:73 16:119 18:84 23:112
24:3 31:5 34:22 35:49 36:1 37:8
38:10 40:5 41:162 42:11 43:2 44:6
45:77 46:11 47:1 49:10 50:7 52:556
54:163 57:5 59:19 60:6 61:3 62:17
63:37 64:159 65:20 66:86 67:68 68:18
69:49 70:41 71:3 72:14 74:158 75:1
76:47 77:12 78:3 79:10 80:13 81:26
82:7 83:7 84:7 85:51 86:5 87:4
88:1 89:21 91:61 92:9 93:45 94:6
95:3 96:7 97:1 98:11 99:48 101:2
102:15 103:365 104:229 107:37 108:113 109:7
111:21 113:6 114:32 115:1 116:11 117:62
118:33 119:23 121:28 122:8 123:8 124:42
125:5 128:57 129:41 130:151 131:71 132:65
133:154 134:108 135:7 136:304 137:70 138:67
139:18 140:43 141:10 142:332 143:31 144:47
145:7 146:138 147:77 148:203 149:17 150:47
151:38 152:152 153:14 154:39 155:92 156:142
157:38 158:40 159:154 160:32 161:39 162:89
163:67 164:27 165:68 166:5 167:24 168:173
169:14 170:167 171:1 172:115 173:112 174:2
175:16 176:3 177:5 178:3 179:13 180:16
181:1 182:11 184:7 185:140 186:3 187:21
188:19 189:3 190:18 191:13 192:1551 193:297
194:132 195:79 196:147 197:323 198:502 199:348
200:337 201:37 202:645 203:452 204:411 205:161
206:233 207:255 208:156 209:199 210:218 211:3
212:173 213:21 216:212 217:14 218:21 219:5
220:17 222:2 223:15
End of report
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