[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Thu Sep 1 20:15:38 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Thu 01 Sep, 2022

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                               20341
    Prefixes after maximum aggregation (per Origin AS):           11140
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12407
    Number of IPv4 prefixes with a valid ROA:                      5642
    Number of IPv4 prefixes with an invalid ROA:                     86
    Number of IPv4 prefixes with no ROA:                          14613
Total ASes present in the Internet Routing Table:                  2823
    Prefixes per ASN:                                              7.21
Origin-only ASes present in the Internet Routing Table:            2428
Origin ASes announcing only one prefix:                            1094
Transit ASes present in the Internet Routing Table:                 395
Transit-only ASes present in the Internet Routing Table:             80
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    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:                      40105
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    1803
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:                    268369683
    Equivalent to 15 /8s, 254 /16s and 255 /24s
    Percentage of available address space announced:                7.2
    Percentage of allocated address space announced:                7.2
    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:        2684

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

Prefixes being announced by APNIC Region ASes:                     5047
    Total APNIC prefixes after maximum aggregation:                2416
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4915
    Unique aggregates announced from the APNIC address blocks:     2714
APNIC Region origin ASes present in the Internet Routing Table:     589
    APNIC Prefixes per ASN:                                        8.34
APNIC Region origin ASes announcing only one prefix:                259
APNIC Region transit ASes present in the Internet Routing Table:     72
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    229
Number of APNIC addresses announced to Internet:               47818604
    Equivalent to 2 /8s, 217 /16s and 167 /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:                      9198
    Total ARIN prefixes after maximum aggregation:                 5040
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             9263
    Unique aggregates announced from the ARIN address blocks:      5598
ARIN Region origin ASes present in the Internet Routing Table:     1246
    ARIN Prefixes per ASN:                                         7.43
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     163
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     185
Number of ARIN addresses announced to Internet:               149826369
    Equivalent to 8 /8s, 238 /16s and 43 /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:                      3662
    Total RIPE prefixes after maximum aggregation:                 2877
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3728
    Unique aggregates announced from the RIPE address blocks:      2979
RIPE Region origin ASes present in the Internet Routing Table:      691
    RIPE Prefixes per ASN:                                         5.40
RIPE Region origin ASes announcing only one prefix:                 309
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                63153990
    Equivalent to 3 /8s, 195 /16s and 167 /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:                    1469
    Total LACNIC prefixes after maximum aggregation:                587
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1470
    Unique aggregates announced from the LACNIC address blocks:     801
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       9.07
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4807200
    Equivalent to 0 /8s, 73 /16s and 90 /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:                    960
    Total AfriNIC prefixes after maximum aggregation:               215
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:           963
    Unique aggregates announced from the AfriNIC address blocks:    313
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.26
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2763008
    Equivalent to 0 /8s, 42 /16s and 41 /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         577       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
 45102         285        476      90  ALIBABA-CN-NET Alibaba US Technology Co
  1237         193         74     135  KREONET-AS-KR KISTI, KR
  4538         187       4176      72  ERX-CERNET-BKB China Education and Rese
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         749       3282      69  GOOGLE, US
  8075         263      11728     228  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         161        507      93  CSUNET-NW, US
  6939         159        119     110  HURRICANE, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         34       7  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         179         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  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
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  3267          63         64      27  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         375        319      73  TENET-1, ZA
 36914         241         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          20          1      14  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         749       3282      69  GOOGLE, US
  2907         577       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      73  TENET-1, ZA
 45102         285        476      90  ALIBABA-CN-NET Alibaba US Technology Co
   680         282       1951     250  DFN Verein zur Foerderung eines Deutsch
  8075         263      11728     228  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         241         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         375          302  TENET-1, ZA
 36914         241          238  KENET-AS, KE
  5786         200          199  UPRENET, PR
 45102         285          195  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  8895         179          175  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  1916         177          133  Rede Nacional de Ensino e Pesquisa, BR
 18558         137          133  NETBLK-RCOEK, US
  2907         577          120  SINET-AS Research Organization of Information a

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, 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/KREONet2/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/KREONet2/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:     17579  KREONET2-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:7       /12:23      
/13:39      /14:82      /15:151     /16:2133    /17:464     /18:505     
/19:735     /20:905     /21:908     /22:1471    /23:1639    /24:10947   
/25:88      /26:57      /27:90      /28:21      /29:20      /30:20      
/31:0       /32:31      

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

   ASN  No of nets  Total ann.  Description
 15169         274         749  GOOGLE, US
 36914         228         241  KENET-AS, KE
  8895         174         179  ISU Internet Services Unit ISU, SA
 32440          75          90  LONI, US
  6939          61         159  HURRICANE, US
 23024          53         114  OCDE, US
  8075          37         263  MICROSOFT-CORP-MSN-AS-BLOCK, US
 18632          34          63  VOLCANO-VISION, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:3         5:18        8:8        12:1        13:1        14:86     
  18:43       23:15       24:3        31:7        34:2        35:5      
  37:2        38:9        40:1        41:131      42:15       43:1      
  44:5        45:38       46:5        47:40       49:10       50:4      
  52:2        58:10       59:21       60:4        61:3        62:15     
  63:39       64:84       65:8        66:44       67:45       68:8      
  69:20       70:11       71:1        72:16       74:117      76:37     
  77:7        78:4        79:10       80:20       81:28       82:6      
  83:6        84:9        85:46       86:10       87:1        88:1      
  89:10       91:47       92:1        93:4        94:8        95:4      
  96:5        97:1        98:2       101:8       102:15      103:319    
 104:75      107:16      108:43      109:11      110:6       111:17     
 113:4       114:23      116:6       117:61      118:33      119:23     
 121:28      122:8       123:8       124:39      125:4       128:86     
 129:39      130:90      131:80      132:59      133:145     134:99     
 136:200     137:75      138:12      139:5       140:41      141:1      
 142:156     143:30      144:25      145:2       146:130     147:55     
 148:192     149:12      150:132     151:6       152:78      153:14     
 154:28      155:53      156:67      157:25      158:41      159:116    
 160:26      161:27      162:22      163:71      164:10      165:57     
 166:1       167:17      168:120     169:10      170:69      172:91     
 173:85      175:30      176:8       177:11      178:1       179:10     
 180:18      181:1       182:4       184:4       185:57      186:3      
 187:19      188:13      189:3       190:34      191:36      192:1437   
 193:318     194:150     195:94      196:161     197:144     198:527    
 199:269     200:225     201:38      202:635     203:434     204:356    
 205:128     206:194     207:171     208:86      209:135     210:184    
 211:13      212:176     213:5       216:123     217:12      218:22     
 219:12      220:17      222:6       223:8      

End of report


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