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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jan 11 17:00:40 UTC 2023


IPv4 R&E Routing Table Report   17:00 GMT Wed 11 Jan, 2023

  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:                               18969
    Prefixes after maximum aggregation (per Origin AS):           10752
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11957
    Number of IPv4 prefixes with a valid ROA:                      4458
    Number of IPv4 prefixes with an invalid ROA:                     70
    Number of IPv4 prefixes with no ROA:                          14441
Total ASes present in the Internet Routing Table:                  2790
    Prefixes per ASN:                                              6.80
Origin-only ASes present in the Internet Routing Table:            2421
Origin ASes announcing only one prefix:                            1067
Transit ASes present in the Internet Routing Table:                 369
Transit-only ASes present in the Internet Routing Table:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      19
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      41024
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    1832
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:                    207062598
    Equivalent to 12 /8s, 87 /16s and 134 /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:        2232

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

Prefixes being announced by APNIC Region ASes:                     4776
    Total APNIC prefixes after maximum aggregation:                2304
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4777
    Unique aggregates announced from the APNIC address blocks:     2635
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.19
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    226
Number of APNIC addresses announced to Internet:               45972032
    Equivalent to 2 /8s, 189 /16s and 122 /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:                      8070
    Total ARIN prefixes after maximum aggregation:                 4742
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             8085
    Unique aggregates announced from the ARIN address blocks:      5302
ARIN Region origin ASes present in the Internet Routing Table:     1233
    ARIN Prefixes per ASN:                                         6.56
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     154
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:     183
Number of ARIN addresses announced to Internet:                96141056
    Equivalent to 5 /8s, 186 /16s and 255 /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:                      3683
    Total RIPE prefixes after maximum aggregation:                 2904
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3679
    Unique aggregates announced from the RIPE address blocks:      2933
RIPE Region origin ASes present in the Internet Routing Table:      699
    RIPE Prefixes per ASN:                                         5.26
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     143
Number of RIPE addresses announced to Internet:                58047302
    Equivalent to 3 /8s, 117 /16s and 187 /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:                    1433
    Total LACNIC prefixes after maximum aggregation:                589
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1430
    Unique aggregates announced from the LACNIC address blocks:     794
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.88
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    66
Number of LACNIC addresses announced to Internet:               4221376
    Equivalent to 0 /8s, 64 /16s and 105 /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:                    997
    Total AfriNIC prefixes after maximum aggregation:               205
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:           997
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     19.17
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      2.9
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2680576
    Equivalent to 0 /8s, 40 /16s and 231 /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         588       2157     462  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         188         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     118  AARNET-AS-AP Australian Academic and Re
 55824         115         18      12  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         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         151        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         109         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         283       1935     251  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         114        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  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         177        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          47          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         361        319      71  TENET-1, ZA
 36914         243         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          45         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
327700          30         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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         588       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         361        319      71  TENET-1, ZA
   680         283       1935     251  DFN Verein zur Foerderung eines Deutsch
 36914         243         82       3  KENET-AS, KE
   668         219        702     180  DNIC-AS-00668, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         188         74     134  KREONET-AS-KR KISTI, KR

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         361          290  TENET-1, ZA
 36914         243          240  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         175          171  ISU Internet Services Unit ISU, SA
  1916         177          133  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          103  NKN-CORE-NW NKN Core Network, IN

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
     30797  UNALLOCATED  84.237.71.0/24            5387  NSC, RU
     30797  UNALLOCATED  84.237.96.0/23            5387  NSC, RU
     30797  UNALLOCATED  84.237.98.0/24            5387  NSC, RU
     30797  UNALLOCATED  84.237.99.0/24            5387  NSC, RU
     30797  UNALLOCATED  84.237.100.0/24           5387  NSC, RU
     30797  UNALLOCATED  84.237.120.0/23           5387  NSC, RU
     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

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       /10:2       /11:1       /12:10      
/13:19      /14:36      /15:122     /16:2026    /17:423     /18:450     
/19:567     /20:864     /21:888     /22:1482    /23:1569    /24:10264   
/25:85      /26:57      /27:83      /28:0       /29:0       /30:0       
/31:1       /32:19      

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

   ASN  No of nets  Total ann.  Description
 36914         230         243  KENET-AS, KE
  8895         170         175  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
 23024          52         113  OCDE, US
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
 37182          30          31  TERNET, TZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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        14:85     
  18:43       23:6        24:3        31:7        35:4        38:9      
  40:1        41:138      42:15       44:5        45:37       46:5      
  47:1        49:10       50:3        52:1        58:12       59:21     
  60:4        61:3        62:14       63:33       64:51       65:1      
  66:32       67:41       68:8        69:21       70:2        71:1      
  72:7        74:50       76:37       77:9        78:3        79:10     
  80:18       81:28       82:8        83:6        84:22       85:42     
  86:8        87:1        89:10       91:48       92:1        93:4      
  94:4        95:4        96:5        97:2        98:2       101:8      
 102:16      103:313     104:72      108:8       109:10      110:2      
 111:16      114:23      116:6       117:61      118:33      119:22     
 121:28      122:8       123:8       124:39      125:4       128:86     
 129:40      130:88      131:63      132:62      133:149     134:100    
 136:199     137:74      138:9       139:6       140:57      141:1      
 142:39      143:30      144:25      145:2       146:130     147:59     
 148:194     149:12      150:130     151:7       152:77      153:14     
 154:29      155:52      156:68      157:29      158:40      159:116    
 160:26      161:19      162:20      163:76      164:10      165:51     
 166:1       167:16      168:117     169:10      170:57      172:2      
 173:7       175:31      176:8       177:10      179:10      180:17     
 181:1       182:1       184:3       185:49      186:3       187:19     
 188:13      189:3       190:18      191:36      192:1457    193:346    
 194:147     195:91      196:157     197:148     198:488     199:284    
 200:226     201:37      202:635     203:424     204:347     205:129    
 206:187     207:164     208:66      209:115     210:186     211:14     
 212:168     213:5       214:8       216:87      217:12      218:22     
 219:12      220:17      222:6       223:11     

End of report


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