[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 18 17:00:38 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Tue 18 Jun, 2024
IPv4 BGP Table (R&E) as seen at GEANT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/
Analysis Summary
----------------
BGP routing table entries examined: 18801
Prefixes after maximum aggregation (per Origin AS): 10477
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11528
Number of IPv4 prefixes with a valid ROA: 5955
Number of IPv4 prefixes with an invalid ROA: 4
Number of IPv4 prefixes with no ROA: 12842
Total ASes present in the Internet Routing Table: 2733
Prefixes per ASN: 6.88
Origin-only ASes present in the Internet Routing Table: 2374
Origin ASes announcing only one prefix: 1045
Transit ASes present in the Internet Routing Table: 359
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 15
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 44780
Number of 32-bit ASNs visible in the Routing Table: 638
Prefixes from 32-bit ASNs in the Routing Table: 1786
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: 2
Number of addresses announced to Internet: 199688656
Equivalent to 11 /8s, 231 /16s and 1 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 2327
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4665
Total APNIC prefixes after maximum aggregation: 2268
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4665
Unique aggregates announced from the APNIC address blocks: 2548
APNIC Region origin ASes present in the Internet Routing Table: 543
APNIC Prefixes per ASN: 8.59
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 45461824
Equivalent to 2 /8s, 181 /16s and 177 /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: 8042
Total ARIN prefixes after maximum aggregation: 4626
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 8057
Unique aggregates announced from the ARIN address blocks: 5110
ARIN Region origin ASes present in the Internet Routing Table: 1241
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 151
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 200
Number of ARIN addresses announced to Internet: 89967072
Equivalent to 5 /8s, 92 /16s and 201 /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: 3675
Total RIPE prefixes after maximum aggregation: 2886
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3664
Unique aggregates announced from the RIPE address blocks: 2941
RIPE Region origin ASes present in the Internet Routing Table: 694
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 311
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 154
Number of RIPE addresses announced to Internet: 57678992
Equivalent to 3 /8s, 112 /16s and 28 /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: 1379
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1376
Unique aggregates announced from the LACNIC address blocks: 724
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.71
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4143392
Equivalent to 0 /8s, 63 /16s and 57 /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: 1038
Total AfriNIC prefixes after maximum aggregation: 153
AfriNIC Deaggregation factor: 6.78
Prefixes being announced from the AfriNIC address blocks: 1037
Unique aggregates announced from the AfriNIC address blocks: 203
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 33.45
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 2435072
Equivalent to 0 /8s, 37 /16s and 40 /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
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 442 180 24 UNASSIGNED
1237 194 74 142 UNASSIGNED
4538 191 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 UNASSIGNED
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
9411 82 16 2 UNASSIGNED
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 204 648 173 UNASSIGNED
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 149 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
32440 118 35 18 LONI, US
23024 106 7 22 OCDE, US
237 85 543 51 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 183 1767 180 JANET Jisc Services Limited, GB
8895 178 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
3267 88 27 70 RUNNET, RU
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 109 25 52 Red Universitaria Nacional, CL
271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 44 5 15 CEDIA, EC
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 413 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
30983 12 4 2 MARWAN-AS, MA
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 442 180 24 UNASSIGNED
36914 413 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
668 204 648 173 UNASSIGNED
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
1237 194 74 142 UNASSIGNED
4538 191 4193 75 ERX-CERNET-BKB China Education and Rese
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 442 418 UNASSIGNED
36914 413 410 KENET-AS, KE
2018 381 310 TENET-1, ZA
5786 199 198 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 178 173 ISU Internet Services Unit ISU, SA
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
4538 191 116 ERX-CERNET-BKB China Education and Research Net
1916 156 113 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Service,
26971 UNALLOCATED 129.111.0.0/16 276 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GEANT/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
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/GEANT/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 /10:1 /11:1 /12:10
/13:19 /14:33 /15:121 /16:1982 /17:419 /18:447
/19:563 /20:871 /21:872 /22:1465 /23:1522 /24:10220
/25:88 /26:49 /27:79 /28:8 /29:14 /30:11
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 400 413 KENET-AS, KE
8895 173 178 ISU Internet Services Unit ISU, SA
32440 84 118 LONI, US
23024 49 106 OCDE, US
3267 42 88 RUNNET, RU
327700 38 44 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:91
23:4 24:3 31:1 35:3 38:10 40:1
41:195 42:17 44:5 45:38 46:5 47:1
49:9 50:3 52:1 58:16 59:20 60:6
61:3 62:15 63:32 64:44 65:1 66:46
67:41 68:10 69:19 70:2 71:1 72:7
74:51 76:40 77:10 78:3 79:10 80:17
81:24 82:6 83:7 84:11 85:34 86:10
87:1 89:11 91:48 92:2 93:5 94:2
95:2 96:5 97:1 98:2 101:4 102:5
103:263 104:75 108:8 109:8 114:24 116:8
117:61 118:35 119:21 121:12 122:8 123:8
124:41 125:5 128:84 129:36 130:83 131:62
132:66 133:157 134:109 136:198 137:51 138:57
139:5 140:38 141:3 142:25 143:25 144:25
145:2 146:135 147:63 148:193 149:11 150:40
151:9 152:136 153:15 154:37 155:64 156:134
157:21 158:35 159:121 160:30 161:16 162:22
163:59 164:14 165:48 166:1 167:13 168:121
169:6 170:89 172:3 173:6 175:18 176:8
177:4 179:11 180:15 181:1 182:1 184:2
185:57 186:3 187:17 188:13 189:3 190:18
191:13 192:1385 193:269 194:145 195:91 196:154
197:281 198:451 199:277 200:252 201:37 202:612
203:427 204:365 205:133 206:195 207:204 208:68
209:112 210:194 211:15 212:163 213:7 214:8
216:91 217:9 218:22 219:5 220:17 222:3
223:14
End of report
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