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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jun 13 17:00:42 UTC 2024


IPv4 R&E Routing Table Report   17:00 GMT Thu 13 Jun, 2024

  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:                               18627
    Prefixes after maximum aggregation (per Origin AS):           10479
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11532
    Number of IPv4 prefixes with a valid ROA:                      5925
    Number of IPv4 prefixes with an invalid ROA:                      4
    Number of IPv4 prefixes with no ROA:                          12698
Total ASes present in the Internet Routing Table:                  2737
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            2380
Origin ASes announcing only one prefix:                            1046
Transit ASes present in the Internet Routing Table:                 357
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      44738
Number of 32-bit ASNs visible in the Routing Table:                 637
Prefixes from 32-bit ASNs in the Routing Table:                    1780
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:              1
Number of addresses announced to Internet:                    199845584
    Equivalent to 11 /8s, 233 /16s and 102 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2145

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

Prefixes being announced by APNIC Region ASes:                     4666
    Total APNIC prefixes after maximum aggregation:                2269
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4666
    Unique aggregates announced from the APNIC address blocks:     2549
APNIC Region origin ASes present in the Internet Routing Table:     546
    APNIC Prefixes per ASN:                                        8.55
APNIC Region origin ASes announcing only one prefix:                234
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    212
Number of APNIC addresses announced to Internet:               45525568
    Equivalent to 2 /8s, 182 /16s and 170 /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:                      8050
    Total ARIN prefixes after maximum aggregation:                 4622
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8067
    Unique aggregates announced from the ARIN address blocks:      5108
ARIN Region origin ASes present in the Internet Routing Table:     1238
    ARIN Prefixes per ASN:                                         6.52
ARIN Region origin ASes announcing only one prefix:                 430
ARIN Region transit ASes present in the Internet Routing Table:     150
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     198
Number of ARIN addresses announced to Internet:                90049760
    Equivalent to 5 /8s, 94 /16s and 12 /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:                      3662
    Total RIPE prefixes after maximum aggregation:                 2891
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3651
    Unique aggregates announced from the RIPE address blocks:      2946
RIPE Region origin ASes present in the Internet Routing Table:      697
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 313
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         2.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                57716624
    Equivalent to 3 /8s, 112 /16s and 175 /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:                    1384
    Total LACNIC prefixes after maximum aggregation:                544
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1381
    Unique aggregates announced from the LACNIC address blocks:     727
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.63
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.0
    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:               4132384
    Equivalent to 0 /8s, 63 /16s and 14 /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:                    861
    Total AfriNIC prefixes after maximum aggregation:               149
    AfriNIC Deaggregation factor:                                  5.78
Prefixes being announced from the AfriNIC address blocks:           861
    Unique aggregates announced from the AfriNIC address blocks:    201
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     27.77
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:              2420992
    Equivalent to 0 /8s, 36 /16s and 241 /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 Infor
  7497         440        180      24  UNASSIGNED
  1237         194         74     142  UNASSIGNED
  4538         191       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  UNASSIGNED
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  9411          82         16       2  UNASSIGNED
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNASSIGNED

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         204        648     173  UNASSIGNED
   376         203        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 32440         119         35      18  LONI, US
 23024         106          7      22  OCDE, US
   237          85        543      51  UNASSIGNED

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         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         160         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
  3267          88         27      70  RUNNET, RU
   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

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         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 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          43          3      14  CEDIA, EC
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blume

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         380        319      71  TENET-1, ZA
 36914         248         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 30983          12          4       2  MARWAN-AS, MA
 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/GEANT/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  UNASSIGNED
  2018         380        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         248         82       3  KENET-AS, KE
   668         204        648     173  UNASSIGNED
   376         203        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  1237         194         74     142  UNASSIGNED
  4538         191       4193      75  ERX-CERNET-BKB China Education and Rese

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         440          416  UNASSIGNED
  2018         380          309  TENET-1, ZA
 36914         248          245  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  8895         160          155  ISU Internet Services Unit ISU, SA
 18558         140          136  NETBLK-RCOEK, US
  4538         191          116  ERX-CERNET-BKB China Education and Research Net
  1916         156          113  Rede Nacional de Ensino e Pesquisa, BR

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
     65111  PRIVATE      62.40.99.40/29           20965  GEANT The GEANT IP Service, 
     26971  UNALLOCATED  129.111.0.0/16             276  UNASSIGNED
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

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

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

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       /10:1       /11:1       /12:10      
/13:19      /14:33      /15:121     /16:1984    /17:421     /18:451     
/19:569     /20:873     /21:871     /22:1463    /23:1519    /24:10058   
/25:80      /26:46      /27:68      /28:8       /29:14      /30:11      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 36914         235         248  KENET-AS, KE
  8895         155         160  ISU Internet Services Unit ISU, SA
 32440          85         119  LONI, US
 23024          49         106  OCDE, US
  3267          42          88  RUNNET, RU
327700          39          44  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US

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

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

   1:2         5:15        6:4         8:2        12:1        14:91     
  23:4        24:3        31:1        35:3        38:10       40:1      
  41:199      42:17       44:5        45:41       46:5        47:1      
  49:9        50:3        52:1        58:16       59:20       60:6      
  61:3        62:15       63:32       64:44       65:1        66:46     
  67:41       68:10       69:19       70:2        71:1        72:7      
  74:51       76:41       77:10       78:3        79:10       80:17     
  81:24       82:6        83:7        84:11       85:34       86:10     
  87:1        89:11       91:48       92:2        93:5        94:2      
  95:2        97:1        98:2       101:4       102:5       103:265    
 104:76      108:8       109:8       114:24      116:8       117:61     
 118:35      119:21      121:12      122:8       123:8       124:41     
 125:5       128:83      129:36      130:83      131:62      132:66     
 133:157     134:109     136:198     137:51      138:57      139:5      
 140:38      141:3       142:26      143:25      144:25      145:2      
 146:135     147:63      148:193     149:11      150:41      151:9      
 152:136     153:15      154:29      155:64      156:134     157:21     
 158:35      159:119     160:30      161:16      162:22      163:59     
 164:14      165:48      166:1       167:13      168:120     169:6      
 170:90      172:3       173:6       175:18      176:8       177:4      
 179:14      180:15      181:1       182:1       184:2       185:56     
 186:3       187:18      188:13      189:3       190:18      191:13     
 192:1384    193:269     194:145     195:93      196:155     197:113    
 198:450     199:278     200:253     201:37      202:612     203:427    
 204:366     205:134     206:194     207:204     208:68      209:113    
 210:194     211:15      212:163     213:7       214:8       216:91     
 217:10      218:22      219:5       220:17      222:3       223:14     


End of report


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