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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 11 17:00:41 UTC 2024


IPv4 R&E Routing Table Report   17:00 GMT Sun 11 Feb, 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:                               19095
    Prefixes after maximum aggregation (per Origin AS):           10584
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11700
    Number of IPv4 prefixes with a valid ROA:                      5875
    Number of IPv4 prefixes with an invalid ROA:                     13
    Number of IPv4 prefixes with no ROA:                          13207
Total ASes present in the Internet Routing Table:                  2738
    Prefixes per ASN:                                              6.97
Origin-only ASes present in the Internet Routing Table:            2370
Origin ASes announcing only one prefix:                            1052
Transit ASes present in the Internet Routing Table:                 368
Transit-only ASes present in the Internet Routing Table:             63
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:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43609
Number of 32-bit ASNs visible in the Routing Table:                 639
Prefixes from 32-bit ASNs in the Routing Table:                    1984
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:                    202824368
    Equivalent to 12 /8s, 22 /16s and 218 /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:        2368

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

Prefixes being announced by APNIC Region ASes:                     4648
    Total APNIC prefixes after maximum aggregation:                2250
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4648
    Unique aggregates announced from the APNIC address blocks:     2560
APNIC Region origin ASes present in the Internet Routing Table:     524
    APNIC Prefixes per ASN:                                        8.87
APNIC Region origin ASes announcing only one prefix:                221
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    198
Number of APNIC addresses announced to Internet:               45475904
    Equivalent to 2 /8s, 181 /16s and 232 /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:                      8015
    Total ARIN prefixes after maximum aggregation:                 4675
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8045
    Unique aggregates announced from the ARIN address blocks:      5220
ARIN Region origin ASes present in the Internet Routing Table:     1233
    ARIN Prefixes per ASN:                                         6.52
ARIN Region origin ASes announcing only one prefix:                 428
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:     193
Number of ARIN addresses announced to Internet:                92814400
    Equivalent to 5 /8s, 136 /16s and 60 /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:                      3660
    Total RIPE prefixes after maximum aggregation:                 2889
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3647
    Unique aggregates announced from the RIPE address blocks:      2917
RIPE Region origin ASes present in the Internet Routing Table:      694
    RIPE Prefixes per ASN:                                         5.26
RIPE Region origin ASes announcing only one prefix:                 312
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     148
Number of RIPE addresses announced to Internet:                57640336
    Equivalent to 3 /8s, 111 /16s and 133 /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:                    1490
    Total LACNIC prefixes after maximum aggregation:                577
    LACNIC Deaggregation factor:                                   2.58
Prefixes being announced from the LACNIC address blocks:           1487
    Unique aggregates announced from the LACNIC address blocks:     772
LACNIC Region origin ASes present in the Internet Routing Table:    168
    LACNIC Prefixes per ASN:                                       8.85
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    71
Number of LACNIC addresses announced to Internet:               4219296
    Equivalent to 0 /8s, 64 /16s and 97 /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:                   1267
    Total AfriNIC prefixes after maximum aggregation:               181
    AfriNIC Deaggregation factor:                                  7.00
Prefixes being announced from the AfriNIC address blocks:          1267
    Unique aggregates announced from the AfriNIC address blocks:    230
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     23.91
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.8
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2674176
    Equivalent to 0 /8s, 40 /16s and 206 /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         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         197         74     142  KREONET-AS-KR KISTI, KR
  4538         180       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     119  AARNET-AS-AP Australian Academic and Re
 55824         127         19      18  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         200        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         144        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
   270         117        328      81  AS270, US
 32440         112         35      18  LONI, US
 23024         109          7      22  OCDE, US
  2920         103         34       7  LACOE, 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       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         159         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          95         45      57  RUNNET, RU
  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

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         247        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  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
 36914         478         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 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
 36914         478         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
  1916         247        176      43  Rede Nacional de Ensino e Pesquisa, BR
   668         203        648     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  1237         197         74     142  KREONET-AS-KR KISTI, KR
  5786         197         16       1  UPRENET, PR

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 36914         478          475  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
  1916         247          204  Rede Nacional de Ensino e Pesquisa, BR
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         161          158  RENU, UG
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
 55824         127          109  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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, 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

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

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     /16:2011    /17:428     /18:453     
/19:578     /20:855     /21:887     /22:1507    /23:1542    /24:10416   
/25:85      /26:59      /27:74      /28:1       /29:0       /30:0       
/31:1       /32:10      

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

   ASN  No of nets  Total ann.  Description
 36914         463         478  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          80         112  LONI, US
 23024          52         109  OCDE, US
  3267          45          95  RUNNET, RU
  1916          41         247  Rede Nacional de Ensino e Pesquisa, BR
327700          38          43  MoRENet, MZ
 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        14:88     
  23:5        24:3        31:1        35:6        38:8        40:1      
  41:175      42:16       44:7        45:42       46:5        47:1      
  49:9        50:1        52:1        58:11       59:20       60:6      
  61:3        62:14       63:32       64:44       65:1        66:45     
  67:41       68:10       69:17       70:2        71:1        72:7      
  74:51       76:41       77:11       78:3        79:10       80:15     
  81:24       82:6        83:7        84:11       85:34       86:9      
  87:1        89:10       91:50       92:2        93:4        94:2      
  95:2        96:5        97:1        98:2       101:5       102:39     
 103:256     104:76      108:8       109:7       111:16      114:24     
 116:8       117:61      118:33      119:19      121:27      122:8      
 123:8       124:40      125:5       128:82      129:37      130:83     
 131:65      132:59      133:156     134:109     136:196     137:137    
 138:57      139:5       140:38      141:3       142:38      143:23     
 144:25      145:2       146:133     147:57      148:194     149:12     
 150:43      151:12      152:132     153:14      154:31      155:63     
 156:67      157:18      158:35      159:115     160:30      161:15     
 162:20      163:81      164:13      165:47      166:1       167:13     
 168:95      169:7       170:89      172:3       173:7       175:18     
 176:8       177:6       179:12      180:15      181:1       182:1      
 184:3       185:53      186:3       187:17      188:14      189:3      
 190:17      191:13      192:1458    193:273     194:147     195:92     
 196:201     197:328     198:472     199:274     200:322     201:37     
 202:619     203:424     204:356     205:128     206:187     207:144    
 208:72      209:113     210:195     211:15      212:160     213:5      
 214:8       216:81      217:10      218:22      219:5       220:17     
 222:3       223:14     

End of report


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