[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 25 22:10:43 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Thu 25 Jul, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25859
Prefixes after maximum aggregation (per Origin AS): 12931
Deaggregation factor: 2.00
Unique aggregates announced (without unneeded subnets): 14563
Number of IPv4 prefixes with a valid ROA: 13049
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 12631
Total ASes present in the Internet Routing Table: 2765
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 2385
Origin ASes announcing only one prefix: 1053
Transit ASes present in the Internet Routing Table: 380
Transit-only ASes present in the Internet Routing Table: 72
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 16
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: 45031
Number of 32-bit ASNs visible in the Routing Table: 653
Prefixes from 32-bit ASNs in the Routing Table: 4655
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: 10
Number of addresses announced to Internet: 240044980
Equivalent to 14 /8s, 78 /16s and 203 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3565
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4682
Total APNIC prefixes after maximum aggregation: 2308
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4743
Unique aggregates announced from the APNIC address blocks: 2707
APNIC Region origin ASes present in the Internet Routing Table: 563
APNIC Prefixes per ASN: 8.42
APNIC Region origin ASes announcing only one prefix: 240
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 210
Number of APNIC addresses announced to Internet: 45853504
Equivalent to 2 /8s, 187 /16s and 171 /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: 15050
Total ARIN prefixes after maximum aggregation: 6896
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 14786
Unique aggregates announced from the ARIN address blocks: 7631
ARIN Region origin ASes present in the Internet Routing Table: 1250
ARIN Prefixes per ASN: 11.83
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 159
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 210
Number of ARIN addresses announced to Internet: 129722225
Equivalent to 7 /8s, 187 /16s and 103 /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: 3598
Total RIPE prefixes after maximum aggregation: 2917
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3784
Unique aggregates announced from the RIPE address blocks: 3199
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 155
Number of RIPE addresses announced to Internet: 57756816
Equivalent to 3 /8s, 113 /16s and 76 /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: 1491
Total LACNIC prefixes after maximum aggregation: 656
LACNIC Deaggregation factor: 2.27
Prefixes being announced from the LACNIC address blocks: 1497
Unique aggregates announced from the LACNIC address blocks: 818
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 9.07
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4280691
Equivalent to 0 /8s, 65 /16s and 81 /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: 1037
Total AfriNIC prefixes after maximum aggregation: 153
AfriNIC Deaggregation factor: 6.78
Prefixes being announced from the AfriNIC address blocks: 1039
Unique aggregates announced from the AfriNIC address blocks: 199
AfriNIC Region origin ASes present in the Internet Routing Table: 32
AfriNIC Prefixes per ASN: 32.47
AfriNIC Region origin ASes announcing only one prefix: 17
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 2419968
Equivalent to 0 /8s, 36 /16s and 237 /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 Informa
7497 448 180 24 CSTNET-AS-AP Computer Network Information
1237 192 74 145 KREONET-AS-KR KISTI, KR
58647 183 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 130 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4621 66 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/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2758 3594 409 GOOGLE-CLOUD-PLATFORM, US
16509 2248 1766 1002 AMAZON-02, US
14618 986 4180 737 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 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 76 26 66 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 118 25 55 Red Universitaria Nacional, CL
27947 116 0 88 Telconet S.A, EC
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
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/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 454 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37215 7 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2758 3594 409 GOOGLE-CLOUD-PLATFORM, US
16509 2248 1766 1002 AMAZON-02, US
14618 986 4180 737 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Informa
36914 454 82 3 KENET-AS, KE
7497 448 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
376 202 162 151 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2248 1246 AMAZON-02, US
15169 830 762 GOOGLE, US
36914 454 451 KENET-AS, KE
7497 448 424 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 986 249 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 183 181 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
2907 601 136 SINET-AS Research Organization of Information a
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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/CEDIA/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
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
185.137.157.0/24 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
185.137.157.0/24 Transit: 15169 GOOGLE, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /11:4 /12:19
/13:35 /14:81 /15:158 /16:2104 /17:513 /18:508
/19:737 /20:2810 /21:1076 /22:1604 /23:1754 /24:14111
/25:46 /26:51 /27:70 /28:21 /29:77 /30:33
/31:38 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 444 454 KENET-AS, KE
16509 343 2248 AMAZON-02, US
14618 323 986 AMAZON-AES, US
15169 275 830 GOOGLE, US
396982 221 2758 GOOGLE-CLOUD-PLATFORM, US
8895 131 136 ISU Internet Services Unit ISU, SA
27947 92 116 Telconet S.A, EC
32440 82 116 LONI, US
327700 40 46 MoRENet, MZ
23024 38 96 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:89 5:21 8:28 12:1 13:45
14:90 15:72 16:115 18:70 23:107 24:3
31:3 34:23 35:49 36:1 38:10 40:5
41:177 42:10 43:3 44:7 45:72 46:11
47:1 49:10 50:7 52:551 54:163 57:1
58:1 59:19 60:6 61:3 62:9 63:37
64:158 65:16 66:77 67:67 68:15 69:45
70:43 71:3 72:12 74:152 75:1 76:47
77:12 78:3 79:10 80:14 81:25 82:6
83:7 84:7 85:45 86:5 87:4 88:1
89:20 91:59 92:7 93:6 94:2 95:2
96:7 97:1 98:10 99:47 101:2 102:8
103:314 104:224 107:38 108:113 109:12 111:16
113:2 114:32 115:1 116:10 117:62 118:34
119:23 121:27 122:8 123:8 124:43 125:5
128:84 129:40 130:148 131:65 132:67 133:158
134:107 135:3 136:299 137:66 138:60 139:17
140:40 141:7 142:264 143:26 144:42 145:3
146:145 147:76 148:202 149:16 150:41 151:32
152:139 153:15 154:37 155:77 156:141 157:30
158:44 159:154 160:30 161:29 162:76 163:67
164:24 165:66 166:2 167:25 168:157 169:11
170:154 171:1 172:113 173:117 174:2 175:29
176:10 177:5 178:1 179:11 180:16 182:9
184:7 185:108 186:3 187:17 188:18 189:3
190:3 191:13 192:1523 193:282 194:126 195:74
196:147 197:317 198:489 199:321 200:256 201:36
202:607 203:441 204:384 205:155 206:214 207:233
208:145 209:169 210:217 211:14 212:165 213:17
216:195 217:12 218:22 219:5 220:17 222:2
223:14
End of report
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