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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Nov 27 20:16:38 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Mon 27 Nov, 2023

  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:                              256871
    Prefixes after maximum aggregation (per Origin AS):          113667
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      138575
    Number of IPv4 prefixes with a valid ROA:                     95947
    Number of IPv4 prefixes with an invalid ROA:                     43
    Number of IPv4 prefixes with no ROA:                         160881
Total ASes present in the Internet Routing Table:                 20785
    Prefixes per ASN:                                             12.36
Origin-only ASes present in the Internet Routing Table:           18102
Origin ASes announcing only one prefix:                            8046
Transit ASes present in the Internet Routing Table:                2683
Transit-only ASes present in the Internet Routing Table:            666
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN ( 11816)                              21
Prefixes from unregistered ASNs in the Routing Table:               435
    Number of instances of unregistered ASNs:                       435
Number of 32-bit ASNs allocated by the RIRs:                      43108
Number of 32-bit ASNs visible in the Routing Table:                7484
Prefixes from 32-bit ASNs in the Routing Table:                   26843
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:            137
Number of addresses announced to Internet:                   1488861765
    Equivalent to 88 /8s, 190 /16s and 58 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       87151

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

Prefixes being announced by APNIC Region ASes:                    30568
    Total APNIC prefixes after maximum aggregation:                7238
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           30070
    Unique aggregates announced from the APNIC address blocks:     8257
APNIC Region origin ASes present in the Internet Routing Table:    1194
    APNIC Prefixes per ASN:                                       25.18
APNIC Region origin ASes announcing only one prefix:                483
APNIC Region transit ASes present in the Internet Routing Table:    201
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    523
Number of APNIC addresses announced to Internet:              213351812
    Equivalent to 12 /8s, 183 /16s and 125 /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:                    119033
    Total ARIN prefixes after maximum aggregation:                62317
    ARIN Deaggregation factor:                                     1.91
Prefixes being announced from the ARIN address blocks:           119045
    Unique aggregates announced from the ARIN address blocks:     68970
ARIN Region origin ASes present in the Internet Routing Table:     9640
    ARIN Prefixes per ASN:                                        12.35
ARIN Region origin ASes announcing only one prefix:                3967
ARIN Region transit ASes present in the Internet Routing Table:     856
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2047
Number of ARIN addresses announced to Internet:               842256833
    Equivalent to 50 /8s, 51 /16s and 209 /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:                     56782
    Total RIPE prefixes after maximum aggregation:                28402
    RIPE Deaggregation factor:                                     2.00
Prefixes being announced from the RIPE address blocks:            55668
    Unique aggregates announced from the RIPE address blocks:     37624
RIPE Region origin ASes present in the Internet Routing Table:     5243
    RIPE Prefixes per ASN:                                        10.62
RIPE Region origin ASes announcing only one prefix:                2235
RIPE Region transit ASes present in the Internet Routing Table:     719
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1986
Number of RIPE addresses announced to Internet:               304599808
    Equivalent to 18 /8s, 39 /16s and 211 /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:                   41604
    Total LACNIC prefixes after maximum aggregation:              13050
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          41031
    Unique aggregates announced from the LACNIC address blocks:   19641
LACNIC Region origin ASes present in the Internet Routing Table:   3636
    LACNIC Prefixes per ASN:                                      11.28
LACNIC Region origin ASes announcing only one prefix:              1270
LACNIC Region transit ASes present in the Internet Routing Table:   724
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2814
Number of LACNIC addresses announced to Internet:              87748352
    Equivalent to 5 /8s, 58 /16s and 239 /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:                   8449
    Total AfriNIC prefixes after maximum aggregation:              2359
    AfriNIC Deaggregation factor:                                  3.58
Prefixes being announced from the AfriNIC address blocks:         10920
    Unique aggregates announced from the AfriNIC address blocks:   3955
AfriNIC Region origin ASes present in the Internet Routing Table:   245
    AfriNIC Prefixes per ASN:                                     44.57
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   64
Average AfriNIC Region AS path length visible:                      6.0
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  114
Number of AfriNIC addresses announced to Internet:             40762368
    Equivalent to 2 /8s, 109 /16s and 252 /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
  9808        9544       8729      40  CHINAMOBILE-CN China Mobile Communicati
 56047        1493        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1415        826     105  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         754        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         739      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         675       4270      56  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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
 16509        9342      11141    3297  AMAZON-02, US
 22773        3504       3039     296  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3159      54932    2411  DNIC-AS-00749, US
   367        3024       3864    1425  DNIC-ASBLK-00306-00371, US
  7018        2588      23619    1603  ATT-INTERNET4, US
  5650        1957       2744    1317  FRONTIER-FRTR, US
 18566        1852        373     314  MEGAPATH5-, US
 11776        1837        254     223  ATLANTICBB-JOHNSTOWN, US
  6167        1744       3065     423  CELLCO-PART, US
   209        1716       4899     332  CENTURYLINK-US-LEGACY-QWEST, 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
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1597        141    1261  AKAMAI-ASN1, NL
 58224        1132        649     671  TCI, IR
  3215         917       4899     290  France Telecom - Orange, FR
  8452         905       1841      14  TE-AS TE-AS, EG
 61317         896         60     768  ASDETUK www.heficed.com, US
 25019         837       1035     152  SAUDINETSTC-AS, SA
 34984         783         94     496  TELLCOM-AS, TR
  8386         706        108     244  KOCNET, TR
  8376         674         54      17  Jordan Data Communications, JO

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
  8151        5852       1672    1011  UNINET, MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 10620        1874        265    1235  Telmex Colombia S.A., CO
  3816        1303        781     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1082        369      22  Telefonica del Peru S.A.A., PE
 26615        1040       2502      52  TIM SA, BR
 18881         990       1120      28  TELEFONICA BRASIL S.A, BR
 11664         902        146     399  Techtel LMDS Comunicaciones Interactiva
 28006         606         75     276  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         595       2965      47  TELEFONICA BRASIL S.A, BR

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
 24863        1195        388      22  LINKdotNET-AS, EG
 24835        1012        457      25  RAYA-AS, EG
 36935         672        520      41  Vodafone-, EG
 36992         656        950     346  ETISALAT-MISR, EG
 36903         415        192     302  MT-MPLS, MA
 15399         410         35     175  WANANCHI-, KE
 29571         388         37     161  ORANGE-COTE-IVOIRE, CI
  2018         379        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, TN
 36914         251         82       3  KENET-AS, KE

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
  9808        9544       8729      40  CHINAMOBILE-CN China Mobile Communicati
 16509        9342      11141    3297  AMAZON-02, US
  8151        5852       1672    1011  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3504       3039     296  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3159      54932    2411  DNIC-AS-00749, US
   367        3024       3864    1425  DNIC-ASBLK-00306-00371, US
  7018        2588      23619    1603  ATT-INTERNET4, US
 11830        2010        369      64  Instituto Costarricense de Electricidad
  5650        1957       2744    1317  FRONTIER-FRTR, US

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

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

   ASN  No of nets  Net Savings  Description
 16509        9342         6045  AMAZON-02, US
  8151        5852         4841  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3504         3208  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2010         1946  Instituto Costarricense de Electricidad y Telec
 11776        1837         1614  ATLANTICBB-JOHNSTOWN, US
   367        3024         1599  DNIC-ASBLK-00306-00371, US
 18566        1852         1538  MEGAPATH5-, US
 56047        1493         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1716         1384  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            7018  ATT-INTERNET4, 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             6939  HURRICANE, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
43.243.102.0/24      Origin:     64050  BCPL-SG BGPNET Global ASN, SG
43.243.102.0/24     Transit:      2914  NTT-LTD-2914, US

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        /8:13       /9:8       /10:29      /11:45      /12:127     
/13:188     /14:501     /15:1002    /16:7442    /17:3502    /18:4053    
/19:7865    /20:12256   /21:15444   /22:28807   /23:29001   /24:146309  
/25:84      /26:62      /27:72      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4570  ALJAWWALSTC-AS, SA
  8151        3093        5852  UNINET, MX
 22773        2563        3504  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1920        9342  AMAZON-02, US
 18566        1766        1852  MEGAPATH5-, US
 11830        1708        2010  Instituto Costarricense de Electricidad y Telec
  5650        1382        1957  FRONTIER-FRTR, US
  7018        1154        2588  ATT-INTERNET4, US
 10620        1127        1874  Telmex Colombia S.A., CO
   209         967        1716  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:14        2:536       3:244       4:5         5:1327      6:151    
   7:5         8:733      11:171      12:1098     13:315      14:104    
  15:282      16:166      17:6        18:634      20:240      21:4      
  22:188      23:2384     24:755      25:2        27:25       29:19     
  31:437      32:39       34:2        35:56       36:1058     37:945    
  38:1314     39:502      40:60       41:876      42:21       43:204    
  44:43       45:3386     46:863      47:218      49:13       50:358    
  51:481      52:1386     54:354      55:875      56:5        57:24     
  58:34       59:32       60:18       61:71       62:625      63:884    
  64:2067     65:1147     66:2275     67:958      68:639      69:1209   
  70:501      71:265      72:722      74:1049     75:433      76:225    
  77:340      78:573      79:255      80:403      81:366      82:313    
  83:164      84:368      85:443      86:211      87:276      88:232    
  89:691      90:92       91:960      92:489      93:945      94:674    
  95:1251     96:281      97:72       98:538      99:163     100:45     
 101:26      102:299     103:1185    104:1411    105:67      106:42     
 107:1390    108:532     109:342     110:37      111:1731    112:469    
 113:46      114:32      115:18      116:44      117:900     118:63     
 119:125     120:1077    121:41      122:93      123:79      124:55     
 125:17      128:456     129:375     130:610     131:1088    132:554    
 133:264     134:458     135:124     136:412     137:551     138:859    
 139:534     140:575     141:273     142:790     143:669     144:375    
 145:89      146:602     147:407     148:693     149:716     150:294    
 151:557     152:519     153:146     154:662     155:769     156:626    
 157:318     158:444     159:672     160:667     161:633     162:956    
 163:405     164:683     165:569     166:582     167:625     168:1397   
 169:180     170:1547    171:100     172:1327    173:828     174:284    
 175:42      176:826     177:846     178:396     179:679     180:52     
 181:1599    182:15      183:877     184:508     185:3544    186:1810   
 187:887     188:819     189:1298    190:4168    191:315     192:4929   
 193:1972    194:1457    195:1160    196:929     197:636     198:2598   
 199:3140    200:3214    201:3211    202:1084    203:640     204:2247   
 205:1858    206:1645    207:1440    208:1435    209:1928    210:333    
 211:452     212:1050    213:862     214:1065    215:64      216:2535   
 217:615     218:521     219:23      220:29      221:289     222:34     
 223:621    

End of report


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