[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Sep 29 21:00:40 UTC 2024
IPv4 R&E Routing Table Report 21:00 GMT Sun 29 Sep, 2024
IPv4 BGP Table (R&E) as seen at AARNET (Seattle).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 18848
Prefixes after maximum aggregation (per Origin AS): 10260
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 11311
Number of IPv4 prefixes with a valid ROA: 6884
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 11957
Total ASes present in the Internet Routing Table: 2680
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 2319
Origin ASes announcing only one prefix: 1018
Transit ASes present in the Internet Routing Table: 361
Transit-only ASes present in the Internet Routing Table: 59
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
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: 45458
Number of 32-bit ASNs visible in the Routing Table: 632
Prefixes from 32-bit ASNs in the Routing Table: 1809
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: 5
Number of addresses announced to Internet: 197842688
Equivalent to 11 /8s, 202 /16s and 215 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 2281
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4183
Total APNIC prefixes after maximum aggregation: 1911
APNIC Deaggregation factor: 2.19
Prefixes being announced from the APNIC address blocks: 4180
Unique aggregates announced from the APNIC address blocks: 2196
APNIC Region origin ASes present in the Internet Routing Table: 482
APNIC Prefixes per ASN: 8.67
APNIC Region origin ASes announcing only one prefix: 188
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 177
Number of APNIC addresses announced to Internet: 41382400
Equivalent to 2 /8s, 119 /16s and 114 /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: 8535
Total ARIN prefixes after maximum aggregation: 4808
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8548
Unique aggregates announced from the ARIN address blocks: 5272
ARIN Region origin ASes present in the Internet Routing Table: 1271
ARIN Prefixes per ASN: 6.73
ARIN Region origin ASes announcing only one prefix: 450
ARIN Region transit ASes present in the Internet Routing Table: 153
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 209
Number of ARIN addresses announced to Internet: 90106112
Equivalent to 5 /8s, 94 /16s and 233 /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: 3537
Total RIPE prefixes after maximum aggregation: 2832
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3525
Unique aggregates announced from the RIPE address blocks: 2907
RIPE Region origin ASes present in the Internet Routing Table: 664
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 296
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 154
Number of RIPE addresses announced to Internet: 59666944
Equivalent to 3 /8s, 142 /16s and 114 /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: 1435
Total LACNIC prefixes after maximum aggregation: 536
LACNIC Deaggregation factor: 2.68
Prefixes being announced from the LACNIC address blocks: 1434
Unique aggregates announced from the LACNIC address blocks: 716
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 9.37
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
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: 4201984
Equivalent to 0 /8s, 64 /16s and 30 /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: 1157
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.73
Prefixes being announced from the AfriNIC address blocks: 1156
Unique aggregates announced from the AfriNIC address blocks: 216
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 23.12
AfriNIC Region origin ASes announcing only one prefix: 32
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2474752
Equivalent to 0 /8s, 37 /16s and 195 /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 588 2169 464 SINET-AS Research Organization of Informa
7497 451 212 25 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
55824 133 19 20 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
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 58 4 34 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 456 507 99 CENIC-2152, US
2920 224 44 45 LACOE, US
668 204 632 173 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 140 18 4 NETBLK-RCOEK, US
81 133 501 32 NCREN, US
23024 95 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 135 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 92 26 72 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/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 211 180 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 50 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 45 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 516 82 3 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
327700 50 16 1 MoRENet, MZ
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
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/AARNET-Seattle/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 588 2169 464 SINET-AS Research Organization of Informa
36914 516 82 3 KENET-AS, KE
2152 456 507 99 CENIC-2152, US
7497 451 212 25 CSTNET-AS-AP Computer Network Information
2018 382 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 224 44 45 LACOE, US
1916 211 180 42 Rede Nacional de Ensino e Pesquisa, BR
668 204 632 173 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 516 513 KENET-AS, KE
7497 451 426 CSTNET-AS-AP Computer Network Information Cente
2152 456 357 CENIC-2152, US
2018 382 311 TENET-1, ZA
5786 197 196 UPRENET, PR
2920 224 179 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 211 169 Rede Nacional de Ensino e Pesquisa, BR
18558 140 136 NETBLK-RCOEK, US
8895 135 130 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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/AARNET-Seattle/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
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 /11:2 /12:10
/13:18 /14:33 /15:118 /16:1930 /17:412 /18:448
/19:566 /20:857 /21:876 /22:1456 /23:1578 /24:10542
/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
36914 495 516 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
2152 47 456 CENIC-2152, US
327700 44 50 MoRENet, MZ
23024 37 95 OCDE, US
32440 37 64 LONI, US
3267 35 77 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:92
23:5 24:3 31:1 35:3 37:8 38:10
40:1 41:247 42:10 44:5 45:49 46:4
47:1 49:11 50:5 52:1 58:1 59:19
60:6 61:3 62:8 63:37 64:45 65:4
66:55 67:43 68:12 69:18 70:2 71:1
72:7 74:54 76:43 77:10 78:3 79:10
80:12 81:25 82:6 83:6 84:8 85:45
86:5 87:1 89:11 91:43 92:2 93:13
94:2 95:2 96:5 97:1 98:2 101:1
102:13 103:262 104:79 107:2 108:8 109:4
111:16 113:2 114:24 116:9 117:61 118:34
119:25 121:27 122:8 123:8 124:42 125:5
128:52 129:37 130:93 131:60 132:64 133:154
134:108 136:197 137:83 138:49 139:6 140:36
141:3 142:52 143:22 144:29 145:2 146:135
147:63 148:195 149:13 150:37 151:9 152:136
153:15 154:38 155:60 156:127 157:26 158:31
159:121 160:30 161:17 162:24 163:63 164:14
165:49 166:1 167:26 168:119 169:7 170:95
171:1 172:2 173:7 175:16 177:5 179:9
180:15 181:1 182:8 184:3 185:50 186:3
187:21 188:13 189:3 190:18 191:13 192:1360
193:261 194:123 195:66 196:149 197:314 198:535
199:275 200:330 201:38 202:624 203:276 204:406
205:161 206:214 207:297 208:68 209:147 210:216
211:3 212:168 213:6 214:8 216:61 217:9
218:21 219:5 220:17 222:2 223:16
End of report
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