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

REN Routing Table Report cscora at frr.nsrc.org
Tue Nov 29 17:00:38 UTC 2022


IPv4 R&E Routing Table Report   17:00 GMT Tue 29 Nov, 2022

  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:                               18764
    Prefixes after maximum aggregation (per Origin AS):           10729
    Deaggregation factor:                                          1.75
    Unique aggregates announced (without unneeded subnets):       11925
    Number of IPv4 prefixes with a valid ROA:                      4227
    Number of IPv4 prefixes with an invalid ROA:                     68
    Number of IPv4 prefixes with no ROA:                          14469
Total ASes present in the Internet Routing Table:                  2784
    Prefixes per ASN:                                              6.74
Origin-only ASes present in the Internet Routing Table:            2417
Origin ASes announcing only one prefix:                            1075
Transit ASes present in the Internet Routing Table:                 367
Transit-only ASes present in the Internet Routing Table:             58
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      19
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      40734
Number of 32-bit ASNs visible in the Routing Table:                 643
Prefixes from 32-bit ASNs in the Routing Table:                    1818
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:                    207209062
    Equivalent to 12 /8s, 89 /16s and 194 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2051

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

Prefixes being announced by APNIC Region ASes:                     4766
    Total APNIC prefixes after maximum aggregation:                2298
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4767
    Unique aggregates announced from the APNIC address blocks:     2607
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        8.13
APNIC Region origin ASes announcing only one prefix:                254
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    228
Number of APNIC addresses announced to Internet:               45956160
    Equivalent to 2 /8s, 189 /16s and 60 /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:                      8065
    Total ARIN prefixes after maximum aggregation:                 4754
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             8080
    Unique aggregates announced from the ARIN address blocks:      5319
ARIN Region origin ASes present in the Internet Routing Table:     1233
    ARIN Prefixes per ASN:                                         6.55
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     181
Number of ARIN addresses announced to Internet:                96334368
    Equivalent to 5 /8s, 189 /16s and 242 /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:                      3668
    Total RIPE prefixes after maximum aggregation:                 2882
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3657
    Unique aggregates announced from the RIPE address blocks:      2911
RIPE Region origin ASes present in the Internet Routing Table:      691
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         2.9
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:     144
Number of RIPE addresses announced to Internet:                58011462
    Equivalent to 3 /8s, 117 /16s and 47 /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:                    1443
    Total LACNIC prefixes after maximum aggregation:                587
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1441
    Unique aggregates announced from the LACNIC address blocks:     794
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.95
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4220096
    Equivalent to 0 /8s, 64 /16s and 100 /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:                    817
    Total AfriNIC prefixes after maximum aggregation:               203
    AfriNIC Deaggregation factor:                                  4.02
Prefixes being announced from the AfriNIC address blocks:           817
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     16.34
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.0
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2686464
    Equivalent to 0 /8s, 40 /16s and 254 /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         578       2156     458  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         189         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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         219        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         152        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         111         34       7  LACOE, US
 32440          92         18      16  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         175         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          81        676      76  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         179        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  1251          59         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          46          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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
  2018         374        319      72  TENET-1, ZA
 36914          85         82       3  KENET-AS, KE
  2561          68          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          41         28       3  RENU, UG
327700          32         16       1  MoRENet, MZ
 37182          30          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 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         578       2156     458  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      72  TENET-1, ZA
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   668         219        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         189         74     134  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         374          302  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         175          171  ISU Internet Services Unit ISU, SA
  1916         179          135  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  4538         191          118  ERX-CERNET-BKB China Education and Research Net
 55824         115          104  NKN-CORE-NW NKN Core Network, IN
  2920         111          104  LACOE, US

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/GEANT/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/GEANT/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/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       /10:2       /11:1       /12:10      
/13:19      /14:36      /15:122     /16:2029    /17:423     /18:449     
/19:563     /20:863     /21:896     /22:1466    /23:1571    /24:10063   
/25:85      /26:57      /27:87      /28:0       /29:0       /30:0       
/31:1       /32:20      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
  8895         170         175  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
 36914          76          85  KENET-AS, KE
 23024          52         113  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 37182          29          30  TERNET, TZ

Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:4         5:15        6:4         8:2        12:1        14:86     
  18:43       23:6        24:3        31:7        35:4        37:1      
  38:9        40:1        41:133      42:15       44:5        45:37     
  46:5        47:1        49:10       50:1        52:1        58:12     
  59:21       60:4        61:3        62:13       63:33       64:51     
  65:1        66:34       67:42       68:8        69:21       70:2      
  71:1        72:7        74:50       76:37       77:9        78:3      
  79:10       80:20       81:28       82:8        83:6        84:8      
  85:45       86:10       87:1        88:1        89:10       91:49     
  92:1        93:4        94:4        95:4        96:5        97:2      
  98:2       101:8       102:10      103:312     104:72      108:8      
 109:9       110:4       111:16      114:23      116:6       117:61     
 118:33      119:23      121:28      122:8       123:8       124:39     
 125:4       128:86      129:40      130:88      131:63      132:61     
 133:146     134:100     136:199     137:75      138:9       139:5      
 140:54      141:1       142:39      143:31      144:25      145:2      
 146:132     147:59      148:191     149:12      150:130     151:7      
 152:77      153:14      154:28      155:52      156:67      157:23     
 158:39      159:116     160:26      161:19      162:20      163:77     
 164:10      165:51      166:1       167:16      168:124     169:10     
 170:57      172:2       173:7       175:31      176:8       177:10     
 179:7       180:17      181:1       182:4       184:3       185:48     
 186:3       187:19      188:13      189:3       190:18      191:36     
 192:1453    193:316     194:148     195:92      196:161     197:3      
 198:482     199:278     200:233     201:39      202:628     203:430    
 204:347     205:127     206:188     207:166     208:65      209:116    
 210:185     211:13      212:167     213:5       214:8       216:85     
 217:12      218:22      219:12      220:17      222:6       223:11     


End of report


More information about the ren-bgp-stats-all mailing list