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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 30 17:00:37 UTC 2024


IPv4 R&E Routing Table Report   17:00 GMT Tue 30 Apr, 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:                               18664
    Prefixes after maximum aggregation (per Origin AS):           10594
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11606
    Number of IPv4 prefixes with a valid ROA:                      5699
    Number of IPv4 prefixes with an invalid ROA:                     12
    Number of IPv4 prefixes with no ROA:                          12953
Total ASes present in the Internet Routing Table:                  2776
    Prefixes per ASN:                                              6.72
Origin-only ASes present in the Internet Routing Table:            2411
Origin ASes announcing only one prefix:                            1064
Transit ASes present in the Internet Routing Table:                 365
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                13
    Number of instances of unregistered ASNs:                        13
Number of 32-bit ASNs allocated by the RIRs:                      44317
Number of 32-bit ASNs visible in the Routing Table:                 652
Prefixes from 32-bit ASNs in the Routing Table:                    1842
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:              4
Number of addresses announced to Internet:                    202653712
    Equivalent to 12 /8s, 20 /16s and 64 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2104

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

Prefixes being announced by APNIC Region ASes:                     4730
    Total APNIC prefixes after maximum aggregation:                2305
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4727
    Unique aggregates announced from the APNIC address blocks:     2601
APNIC Region origin ASes present in the Internet Routing Table:     573
    APNIC Prefixes per ASN:                                        8.25
APNIC Region origin ASes announcing only one prefix:                244
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               45628736
    Equivalent to 2 /8s, 184 /16s and 61 /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:                      8176
    Total ARIN prefixes after maximum aggregation:                 4724
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             8201
    Unique aggregates announced from the ARIN address blocks:      5223
ARIN Region origin ASes present in the Internet Routing Table:     1248
    ARIN Prefixes per ASN:                                         6.57
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     199
Number of ARIN addresses announced to Internet:                92624320
    Equivalent to 5 /8s, 133 /16s and 85 /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:                      3679
    Total RIPE prefixes after maximum aggregation:                 2912
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3668
    Unique aggregates announced from the RIPE address blocks:      2970
RIPE Region origin ASes present in the Internet Routing Table:      691
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 309
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     150
Number of RIPE addresses announced to Internet:                57722000
    Equivalent to 3 /8s, 112 /16s and 196 /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:                    1248
    Total LACNIC prefixes after maximum aggregation:                489
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1246
    Unique aggregates announced from the LACNIC address blocks:     601
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       7.79
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4226688
    Equivalent to 0 /8s, 64 /16s and 126 /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:                    818
    Total AfriNIC prefixes after maximum aggregation:               153
    AfriNIC Deaggregation factor:                                  5.35
Prefixes being announced from the AfriNIC address blocks:           818
    Unique aggregates announced from the AfriNIC address blocks:    208
AfriNIC Region origin ASes present in the Internet Routing Table:    33
    AfriNIC Prefixes per ASN:                                     24.79
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2443520
    Equivalent to 0 /8s, 37 /16s and 73 /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         596       2162     465  SINET-AS Research Organization of Infor
  7497         443        180      24  CSTNET-AS-AP Computer Network Informati
  1237         191         74     142  KREONET-AS-KR KISTI, KR
  4538         189       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         169        329     113  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart 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         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 32440         120         35      18  LONI, US
 23024         108          7      22  OCDE, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         161         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          90         26      68  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         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 11340         108         25      51  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  3596          35          2       2  Universidad Autonoma Metropolitana, MX

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         204         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
 37654          13          1       7  RwEdNet-AS, RW
 30983          12          4       2  MARWAN-AS, MA
 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         596       2162     465  SINET-AS Research Organization of Infor
  7497         443        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
 36914         204         82       3  KENET-AS, KE
   668         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         191         74     142  KREONET-AS-KR KISTI, KR
  4538         189       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         443          419  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 36914         204          201  KENET-AS, KE
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US
  8895         161          156  ISU Internet Services Unit ISU, SA
 18558         140          136  NETBLK-RCOEK, US
  1916         158          115  Rede Nacional de Ensino e Pesquisa, BR
  4538         189          114  ERX-CERNET-BKB China Education and Research Net

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, 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  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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/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      /14:35      /15:121     /16:2017    /17:428     /18:453     
/19:561     /20:858     /21:897     /22:1490    /23:1533    /24:10028   
/25:84      /26:48      /27:71      /28:1       /29:0       /30:0       
/31:1       /32:6       

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

   ASN  No of nets  Total ann.  Description
 36914         191         204  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 32440          87         120  LONI, US
 23024          51         108  OCDE, US
  3267          44          90  RUNNET, RU
327700          38          44  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES
 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        35:2        38:10       40:1      
  41:143      42:16       44:5        45:37       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       69:18       70:2        71:1        72:7      
  74:51       76:41       77:11       78:3        79:10       80:15     
  81:26       82:7        83:7        84:11       85:43       86:10     
  87:1        89:11       91:50       92:2        93:4        94:2      
  95:2        96:5        97:1        98:2       101:5       102:5      
 103:309     104:77      108:8       109:7       114:24      116:8      
 117:61      118:34      119:21      121:12      122:8       123:8      
 124:42      125:5       128:89      129:35      130:83      131:62     
 132:65      133:157     134:110     136:197     137:50      138:57     
 139:5       140:38      141:3       142:26      143:24      144:25     
 145:2       146:135     147:63      148:40      149:11      150:42     
 151:9       152:133     153:14      154:32      155:60      156:139    
 157:20      158:35      159:114     160:30      161:16      162:20     
 163:73      164:14      165:48      166:1       167:10      168:121    
 169:6       170:91      172:3       173:7       175:25      176:8      
 177:6       179:13      180:15      181:1       182:9       184:6      
 185:57      186:3       187:18      188:13      189:3       190:17     
 191:13      192:1475    193:274     194:150     195:93      196:155    
 197:117     198:468     199:273     200:260     201:36      202:629    
 203:428     204:366     205:133     206:182     207:158     208:72     
 209:112     210:205     211:15      212:162     213:6       214:8      
 216:92      217:9       218:22      219:5       220:17      222:3      
 223:14     

End of report


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