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

REN Routing Table Report cscora at frr.nsrc.org
Thu Jan 13 20:15:29 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Thu 13 Jan, 2022

  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:                               20118
    Prefixes after maximum aggregation (per Origin AS):           10957
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12259
    Number of IPv4 prefixes with a valid ROA:                      4967
    Number of IPv4 prefixes with an invalid ROA:                     43
    Number of IPv4 prefixes with no ROA:                          15108
Total ASes present in the Internet Routing Table:                  2765
    Prefixes per ASN:                                              7.28
Origin-only ASes present in the Internet Routing Table:            2376
Origin ASes announcing only one prefix:                            1104
Transit ASes present in the Internet Routing Table:                 389
Transit-only ASes present in the Internet Routing Table:             67
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:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      38284
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1717
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:                    264507863
    Equivalent to 15 /8s, 196 /16s and 17 /24s
    Percentage of available address space announced:                7.1
    Percentage of allocated address space announced:                7.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        2636

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

Prefixes being announced by APNIC Region ASes:                     4930
    Total APNIC prefixes after maximum aggregation:                2398
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4814
    Unique aggregates announced from the APNIC address blocks:     2649
APNIC Region origin ASes present in the Internet Routing Table:     562
    APNIC Prefixes per ASN:                                        8.57
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    211
Number of APNIC addresses announced to Internet:               47449964
    Equivalent to 2 /8s, 212 /16s and 7 /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:                      9236
    Total ARIN prefixes after maximum aggregation:                 4958
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             9312
    Unique aggregates announced from the ARIN address blocks:      5621
ARIN Region origin ASes present in the Internet Routing Table:     1230
    ARIN Prefixes per ASN:                                         7.57
ARIN Region origin ASes announcing only one prefix:                 444
ARIN Region transit ASes present in the Internet Routing Table:     161
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:     165
Number of ARIN addresses announced to Internet:               149750145
    Equivalent to 8 /8s, 237 /16s and 1 /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:                      3484
    Total RIPE prefixes after maximum aggregation:                 2796
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3517
    Unique aggregates announced from the RIPE address blocks:      2842
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 321
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     132
Number of RIPE addresses announced to Internet:                59713482
    Equivalent to 3 /8s, 143 /16s and 39 /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:                    1557
    Total LACNIC prefixes after maximum aggregation:                614
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1562
    Unique aggregates announced from the LACNIC address blocks:     848
LACNIC Region origin ASes present in the Internet Routing Table:    179
    LACNIC Prefixes per ASN:                                       8.73
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    27
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:    73
Number of LACNIC addresses announced to Internet:               4726560
    Equivalent to 0 /8s, 72 /16s and 31 /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:                    908
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:           911
    Unique aggregates announced from the AfriNIC address blocks:    297
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.22
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2867200
    Equivalent to 0 /8s, 43 /16s and 192 /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         619       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 45102         240        428      86  ALIBABA-CN-NET Alibaba US Technology Co
 58647         199         18       2  KAGAWAU-AS Kagawa University, JP
  1237         190         74     135  KREONET-AS-KR KISTI, KR
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
  4538         176       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         130         19      23  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         735       3282      67  GOOGLE, US
  7896         250         51       7  NU-AS, US
  8075         207      10901     188  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  6939         170        120     120  HURRICANE, US
  2152         149        507      90  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
 23024         114          7      17  OCDE, 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         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         184         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          68        647      61  FR-RENATER Reseau National de telecommu
  2614          60         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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         207        207      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      55  Red Universitaria Nacional, CL
  1251          63         36      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 28614          38          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         350        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
327687          37         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          12          8       1  TERNET, TZ
 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         735       3282      67  GOOGLE, US
  2907         619       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         350        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         250         51       7  NU-AS, US
 45102         240        428      86  ALIBABA-CN-NET Alibaba US Technology Co
  1916         207        207      41  Rede Nacional de Ensino e Pesquisa, BR
  8075         207      10901     188  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         204         82       3  KENET-AS, KE

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         350          276  TENET-1, ZA
  7896         250          243  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         199          197  KAGAWAU-AS Kagawa University, JP
  8895         184          180  ISU Internet Services Unit ISU, SA
  1916         207          166  Rede Nacional de Ensino e Pesquisa, BR
  2907         619          161  SINET-AS Research Organization of Information a
 45102         240          154  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,

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

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       /11:6       /12:23      
/13:36      /14:82      /15:153     /16:2126    /17:443     /18:486     
/19:712     /20:885     /21:912     /22:1462    /23:1598    /24:10848   
/25:78      /26:62      /27:60      /28:30      /29:28      /30:19      
/31:0       /32:64      

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

   ASN  No of nets  Total ann.  Description
 15169         273         735  GOOGLE, US
 36914         191         204  KENET-AS, KE
  8895         179         184  ISU Internet Services Unit ISU, SA
  6939          67         170  HURRICANE, US
 23024          53         114  OCDE, US
327700          39          45  MoRENet, MZ
 58647          34         199  KAGAWAU-AS Kagawa University, JP
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:4         5:17        8:6        12:1        13:1        14:85     
  18:42       23:16       24:3        31:6        35:1        37:6      
  38:9        40:1        41:127      42:13       44:5        45:54     
  46:6        47:34       49:8        50:4        52:2        58:7      
  59:4        60:4        61:3        62:7        63:39       64:85     
  65:7        66:58       67:45       68:8        69:21       70:7      
  71:1        72:55       74:83       76:34       77:7        78:3      
  79:10       80:16       81:28       82:5        83:7        84:9      
  85:33       86:4        87:1        88:1        89:10       91:48     
  92:1        93:19       94:4        95:4        96:5        97:1      
  98:2       101:8       102:13      103:300     104:78      106:1      
 107:16      108:43      109:10      110:5       111:21      112:4      
 113:1       114:24      116:5       117:61      119:22      121:27     
 123:8       124:39      125:4       128:86      129:175     130:92     
 131:88      132:58      133:139     134:101     136:193     137:79     
 138:8       139:5       140:40      141:2       142:146     143:35     
 144:52      145:2       146:128     147:57      148:192     149:13     
 150:38      151:6       152:77      153:11      154:26      155:53     
 156:67      157:26      158:42      159:116     160:25      161:23     
 162:22      163:62      164:39      165:55      166:2       167:17     
 168:162     169:10      170:71      171:1       172:91      173:86     
 175:31      176:8       177:12      178:1       179:11      180:21     
 181:12      182:6       184:4       185:45      186:3       187:18     
 188:13      189:5       190:49      191:37      192:1419    193:249    
 194:148     195:92      196:148     197:115     198:514     199:262    
 200:258     201:39      202:605     203:418     204:337     205:166    
 206:196     207:174     208:75      209:129     210:181     211:13     
 212:173     213:4       216:132     217:15      218:25      219:12     
 220:17      222:5       223:5      

End of report


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