[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Jan 20 18:30:31 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Thu 20 Jan, 2022
BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17370
Prefixes after maximum aggregation (per Origin AS): 10099
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 11249
Number of IPv4 prefixes with a valid ROA: 3565
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 13804
Total ASes present in the Internet Routing Table: 2675
Prefixes per ASN: 6.49
Origin-only ASes present in the Internet Routing Table: 2310
Origin ASes announcing only one prefix: 1093
Transit ASes present in the Internet Routing Table: 365
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 38333
Number of 32-bit ASNs visible in the Routing Table: 597
Prefixes from 32-bit ASNs in the Routing Table: 1629
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: 2
Number of addresses announced to Internet: 202054912
Equivalent to 12 /8s, 11 /16s and 29 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 1727
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4515
Total APNIC prefixes after maximum aggregation: 2271
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 4516
Unique aggregates announced from the APNIC address blocks: 2543
APNIC Region origin ASes present in the Internet Routing Table: 562
APNIC Prefixes per ASN: 8.04
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 217
Number of APNIC addresses announced to Internet: 45944320
Equivalent to 2 /8s, 189 /16s and 14 /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, 131072-151865
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: 7406
Total ARIN prefixes after maximum aggregation: 4329
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7415
Unique aggregates announced from the ARIN address blocks: 4834
ARIN Region origin ASes present in the Internet Routing Table: 1174
ARIN Prefixes per ASN: 6.32
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 153
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 91460352
Equivalent to 5 /8s, 115 /16s and 147 /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: 3375
Total RIPE prefixes after maximum aggregation: 2751
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3363
Unique aggregates announced from the RIPE address blocks: 2767
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 131
Number of RIPE addresses announced to Internet: 58059008
Equivalent to 3 /8s, 117 /16s and 233 /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
196608-213403
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: 1332
Total LACNIC prefixes after maximum aggregation: 556
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1335
Unique aggregates announced from the LACNIC address blocks: 808
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.09
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 3836672
Equivalent to 0 /8s, 58 /16s and 139 /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: 739
Total AfriNIC prefixes after maximum aggregation: 189
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 739
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 14.49
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2754048
Equivalent to 0 /8s, 42 /16s and 6 /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 571 2157 457 SINET-AS Research Organization of Infor
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
58647 166 18 2 KAGAWAU-AS Kagawa University, JP
55824 113 18 10 NKN-CORE-NW NKN Core Network, IN
4621 78 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 250 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, US
3477 73 71 43 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 274 1948 241 DFN Verein zur Foerderung eines Deutsch
786 185 1774 182 JANET Jisc Services Limited, GB
8895 142 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 58 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 175 207 40 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 55 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 35 4 11 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 33 2 2 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 350 319 74 TENET-1, ZA
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
327687 39 28 3 RENU, UG
36914 30 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 571 2157 457 SINET-AS Research Organization of Infor
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
2018 350 319 74 TENET-1, ZA
680 274 1948 241 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
786 185 1774 182 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 431 407 CSTNET-AS-AP Computer Network Information Cente
2018 350 276 TENET-1, ZA
7896 250 243 NU-AS, US
58647 166 164 KAGAWAU-AS Kagawa University, JP
8895 142 138 ISU Internet Services Unit ISU, SA
1916 175 135 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
4538 176 104 ERX-CERNET-BKB China Education and Research Net
55824 113 103 NKN-CORE-NW NKN Core Network, IN
2920 108 102 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 /10:2 /11:1 /12:10
/13:18 /14:35 /15:122 /16:1970 /17:381 /18:426
/19:547 /20:812 /21:845 /22:1353 /23:1452 /24:9395
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 137 142 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 39 45 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 35 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
200521 29 49 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 8:2 12:1 14:84 18:42
23:9 24:2 31:6 37:6 38:9 40:1
41:66 42:13 44:5 45:40 46:6 47:1
49:8 52:1 58:7 59:4 60:4 61:3
62:7 63:33 64:47 66:35 67:42 68:8
69:20 71:1 72:10 74:20 76:33 77:7
78:3 79:10 80:16 81:28 82:5 83:7
84:5 85:33 86:4 87:1 88:1 89:10
91:45 92:1 93:19 94:4 95:4 96:5
97:1 98:2 101:8 102:13 103:291 104:14
106:1 108:8 109:10 110:3 111:19 112:4
114:23 116:5 117:61 119:21 121:27 123:8
124:39 125:4 128:86 129:175 130:92 131:78
132:58 133:140 134:97 136:3 137:79 138:8
139:4 140:35 141:2 142:43 143:28 144:53
145:1 146:128 147:57 148:191 149:13 150:35
151:6 152:71 153:11 154:25 155:51 156:67
157:26 158:42 159:116 160:25 161:16 162:20
163:59 164:22 165:55 166:2 167:16 168:161
169:10 170:51 171:1 172:2 173:2 175:31
176:8 177:6 178:1 179:11 180:21 181:12
182:5 184:2 185:41 186:3 187:17 188:13
189:5 190:49 191:26 192:1390 193:248 194:139
195:93 196:149 197:6 198:453 199:248 200:218
201:38 202:606 203:414 204:310 205:160 206:183
207:162 208:59 209:111 210:182 211:13 212:170
213:4 216:84 217:15 218:25 219:12 220:16
222:5 223:3
End of report
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