[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jun 17 21:00:58 UTC 2024


IPv4 R&E Routing Table Report   21:00 GMT Mon 17 Jun, 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:                               17892
    Prefixes after maximum aggregation (per Origin AS):           10074
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11129
    Number of IPv4 prefixes with a valid ROA:                      5685
    Number of IPv4 prefixes with an invalid ROA:                      4
    Number of IPv4 prefixes with no ROA:                          12203
Total ASes present in the Internet Routing Table:                  2636
    Prefixes per ASN:                                              6.79
Origin-only ASes present in the Internet Routing Table:            2274
Origin ASes announcing only one prefix:                             995
Transit ASes present in the Internet Routing Table:                 362
Transit-only ASes present in the Internet Routing Table:             64
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      17
    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:                      44779
Number of 32-bit ASNs visible in the Routing Table:                 590
Prefixes from 32-bit ASNs in the Routing Table:                    1671
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:                    195816192
    Equivalent to 11 /8s, 171 /16s and 235 /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:        2010

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4084
    Total APNIC prefixes after maximum aggregation:                1884
    APNIC Deaggregation factor:                                    2.17
Prefixes being announced from the APNIC address blocks:            4085
    Unique aggregates announced from the APNIC address blocks:     2111
APNIC Region origin ASes present in the Internet Routing Table:     449
    APNIC Prefixes per ASN:                                        9.10
APNIC Region origin ASes announcing only one prefix:                178
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    160
Number of APNIC addresses announced to Internet:               41096448
    Equivalent to 2 /8s, 115 /16s and 21 /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:                      8094
    Total ARIN prefixes after maximum aggregation:                 4698
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8106
    Unique aggregates announced from the ARIN address blocks:      5215
ARIN Region origin ASes present in the Internet Routing Table:     1265
    ARIN Prefixes per ASN:                                         6.41
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     205
Number of ARIN addresses announced to Internet:                90629376
    Equivalent to 5 /8s, 102 /16s and 229 /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:                      3495
    Total RIPE prefixes after maximum aggregation:                 2800
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3483
    Unique aggregates announced from the RIPE address blocks:      2884
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.20
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57526784
    Equivalent to 3 /8s, 109 /16s and 202 /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:                    1361
    Total LACNIC prefixes after maximum aggregation:                541
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1360
    Unique aggregates announced from the LACNIC address blocks:     724
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       8.61
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:                       5.2
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4143872
    Equivalent to 0 /8s, 63 /16s and 59 /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:                    857
    Total AfriNIC prefixes after maximum aggregation:               150
    AfriNIC Deaggregation factor:                                  5.71
Prefixes being announced from the AfriNIC address blocks:           856
    Unique aggregates announced from the AfriNIC address blocks:    193
AfriNIC Region origin ASes present in the Internet Routing Table:    29
    AfriNIC Prefixes per ASN:                                     29.52
AfriNIC Region origin ASes announcing only one prefix:               13
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2417408
    Equivalent to 0 /8s, 36 /16s and 227 /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         591       2162     464  SINET-AS Research Organization of Infor
  7497         442        180      24  UNASSIGNED
  1237         191         74     142  UNASSIGNED
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  UNASSIGNED
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNASSIGNED
 23570          59          5      11  UNASSIGNED

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
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  UNASSIGNED
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         151        507      96  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024         106          7      22  OCDE, US
   237          85        543      51  UNASSIGNED
  1736          79         16       1  MU-AS, 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 Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         133         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
   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
  3267          76         26      66  RUNNET, 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
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         139        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         109         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         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
 28614          38          2       2  Fundacao Universidade Regional de Blume
  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
  2018         381        319      71  TENET-1, ZA
 36914         248         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          12          8       1  TERNET, TZ
 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         591       2162     464  SINET-AS Research Organization of Infor
  7497         442        180      24  UNASSIGNED
  2018         381        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         248         82       3  KENET-AS, KE
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  UNASSIGNED
  5786         198         16       1  UPRENET, PR
  1237         191         74     142  UNASSIGNED
   786         184       1767     181  JANET Jisc Services Limited, GB

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
  7497         442          418  UNASSIGNED
  2018         381          310  TENET-1, ZA
 36914         248          245  KENET-AS, KE
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA
 55824         131          112  NKN-CORE-NW NKN Core Network, IN
    81         133          100  NCREN, US

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  UNASSIGNED

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
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/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       /11:1       /12:10      
/13:18      /14:33      /15:120     /16:1933    /17:409     /18:440     
/19:548     /20:867     /21:854     /22:1455    /23:1495    /24:9707    
/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         235         248  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
 23024          49         106  OCDE, US
 32440          38          64  LONI, US
327700          36          41  MoRENet, MZ
  3267          35          76  RUNNET, RU
 18632          34          67  VOLCANO-VISION, US
200521          33          55  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

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        14:91     
  23:5        24:3        31:1        35:3        38:10       40:1      
  41:195      42:10       44:5        45:39       46:5        47:1      
  49:9        50:5        52:1        59:19       60:6        61:3      
  62:8        63:36       64:45       65:5        66:61       67:42     
  68:10       69:19       70:2        71:1        72:7        74:52     
  76:42       77:10       78:3        79:10       80:14       81:24     
  82:6        83:7        84:8        85:30       86:5        87:1      
  89:11       91:48       92:2        93:5        94:2        95:2      
  97:1        98:2       101:1       102:4       103:206     104:75     
 107:16      108:8       109:8       114:24      116:8       117:61     
 118:34      119:21      121:11      122:8       123:8       124:41     
 125:5       128:52      129:40      130:81      131:58      132:64     
 133:157     134:109     136:197     137:51      138:49      139:5      
 140:38      141:3       142:26      143:21      144:26      145:2      
 146:135     147:63      148:194     149:11      150:37      151:9      
 152:133     153:15      154:37      155:61      156:128     157:21     
 158:35      159:121     160:30      161:17      162:23      163:62     
 164:14      165:48      166:1       167:13      168:121     169:6      
 170:107     171:1       172:3       173:6       175:18      176:8      
 177:4       179:11      180:15      181:1       184:2       185:52     
 186:3       187:18      188:13      189:3       190:18      191:13     
 192:1353    193:252     194:125     195:65      196:153     197:114    
 198:460     199:278     200:252     201:37      202:593     203:269    
 204:372     205:131     206:204     207:207     208:72      209:118    
 210:194     211:14      212:163     213:6       214:8       216:92     
 217:9       218:22      219:5       220:17      222:2       223:14     


End of report


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