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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 13 20:16:34 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 13 May, 2024

  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:                              189712
    Prefixes after maximum aggregation (per Origin AS):           83819
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      104522
    Number of IPv4 prefixes with a valid ROA:                     74006
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         115688
Total ASes present in the Internet Routing Table:                 15944
    Prefixes per ASN:                                             11.90
Origin-only ASes present in the Internet Routing Table:           13779
Origin ASes announcing only one prefix:                            6306
Transit ASes present in the Internet Routing Table:                2165
Transit-only ASes present in the Internet Routing Table:            596
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               223
    Number of instances of unregistered ASNs:                       223
Number of 32-bit ASNs allocated by the RIRs:                      44470
Number of 32-bit ASNs visible in the Routing Table:                5695
Prefixes from 32-bit ASNs in the Routing Table:                   18931
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:             95
Number of addresses announced to Internet:                   1113439905
    Equivalent to 66 /8s, 93 /16s and 190 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       55544

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

Prefixes being announced by APNIC Region ASes:                    30010
    Total APNIC prefixes after maximum aggregation:                6966
    APNIC Deaggregation factor:                                    4.31
Prefixes being announced from the APNIC address blocks:           29558
    Unique aggregates announced from the APNIC address blocks:     7976
APNIC Region origin ASes present in the Internet Routing Table:    1146
    APNIC Prefixes per ASN:                                       25.79
APNIC Region origin ASes announcing only one prefix:                458
APNIC Region transit ASes present in the Internet Routing Table:    203
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    500
Number of APNIC addresses announced to Internet:              200204144
    Equivalent to 11 /8s, 238 /16s and 223 /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:                     88538
    Total ARIN prefixes after maximum aggregation:                48304
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87218
    Unique aggregates announced from the ARIN address blocks:     54263
ARIN Region origin ASes present in the Internet Routing Table:     7450
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                3220
ARIN Region transit ASes present in the Internet Routing Table:     669
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1537
Number of ARIN addresses announced to Internet:               653878625
    Equivalent to 38 /8s, 249 /16s and 101 /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, 393216-402332
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:                     36049
    Total RIPE prefixes after maximum aggregation:                17006
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36796
    Unique aggregates announced from the RIPE address blocks:     24525
RIPE Region origin ASes present in the Internet Routing Table:     3452
    RIPE Prefixes per ASN:                                        10.66
RIPE Region origin ASes announcing only one prefix:                1464
RIPE Region transit ASes present in the Internet Routing Table:     532
Average RIPE Region AS path length visible:                         6.0
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1264
Number of RIPE addresses announced to Internet:               159738576
    Equivalent to 9 /8s, 133 /16s and 106 /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:                   30080
    Total LACNIC prefixes after maximum aggregation:               9600
    LACNIC Deaggregation factor:                                   3.13
Prefixes being announced from the LACNIC address blocks:          29775
    Unique aggregates announced from the LACNIC address blocks:   14677
LACNIC Region origin ASes present in the Internet Routing Table:   3001
    LACNIC Prefixes per ASN:                                       9.92
LACNIC Region origin ASes announcing only one prefix:              1078
LACNIC Region transit ASes present in the Internet Routing Table:   591
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2292
Number of LACNIC addresses announced to Internet:              71638272
    Equivalent to 4 /8s, 69 /16s and 29 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4812
    Total AfriNIC prefixes after maximum aggregation:              1767
    AfriNIC Deaggregation factor:                                  2.72
Prefixes being announced from the AfriNIC address blocks:          6270
    Unique aggregates announced from the AfriNIC address blocks:   2993
AfriNIC Region origin ASes present in the Internet Routing Table:   205
    AfriNIC Prefixes per ASN:                                     30.59
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   68
Average AfriNIC Region AS path length visible:                      5.8
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  102
Number of AfriNIC addresses announced to Internet:             27892992
    Equivalent to 1 /8s, 169 /16s and 157 /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        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

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        9900      11376    3532  AMAZON-02, US
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3476    1324  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1793        115    1244  USDA-1, US
   209        1702       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979        1014         67     200  SERVERS-COM, US
   855         962        255      82  CANET-ASN-4, CA

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        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1324        110    1068  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         805       1030     146  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
  8452         615       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         407        406      84  MOBILY-AS Etihad Etisalat Company Mobil
 13046         388         34       5  ASN-ISKON, HR

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        5223       1444     778  UNINET, MX
  3816        1321        789     189  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1099        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         752       1126      30  TELEFONICA BRASIL S.A, BR
 26599         539       2819      83  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         490         66     214  Mega Cable, S.A. de C.V., MX
 27983         230         23     124  Red Intercable Digital S.A., AR
 22724         229         15     100  PUNTONET S.A., EC

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         749        229     297  LINKdotNET-AS, EG
 29571         719         60     177  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36914         256         82       3  KENET-AS, KE
 36992         205        257     171  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

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
 16509        9900      11376    3532  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5223       1444     778  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3476    1324  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1793        115    1244  USDA-1, US
   209        1702       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, 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
  9808        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5223         4445  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2813         1489  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1702         1389  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1132  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

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        /8:11       /9:6       /10:17      /11:30      /12:92      
/13:125     /14:355     /15:690     /16:5930    /17:2483    /18:2559    
/19:5383    /20:8608    /21:10694   /22:19869   /23:20553   /24:112057  
/25:75      /26:49      /27:69      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2816        5223  UNINET, MX
 16509        2113        9900  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1702  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         733         874  BRSPD-PUBLIC, US
  6147         694        1099  Telefonica del Peru S.A.A., PE
  8376         568         721  Jordan Data Communications, JO

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

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

   1:11        2:376       3:342       5:1095      6:150       7:5      
   8:613      11:171      12:657      13:306      14:102      15:282    
  16:178      17:6        18:739      20:34       21:4        22:188    
  23:1872     24:734      25:2        27:27       29:19       31:204    
  32:1        34:11       35:57       36:1174     37:412      38:964    
  39:524      40:11       41:689      42:14       43:179      44:36     
  45:2411     46:630      47:102      49:13       50:273      51:474    
  52:1363     54:273      55:1002     57:16       58:7        59:35     
  60:19       61:62       62:335      63:498      64:1549     65:817    
  66:1266     67:820      68:171      69:836      70:148      71:196    
  72:460      74:723      75:394      76:209      77:316      78:514    
  79:175      80:202      81:203      82:178      83:108      84:178    
  85:367      86:154      87:150      88:116      89:520      90:98     
  91:592      92:420      93:793      94:493      95:1106     96:371    
  97:31       98:136      99:151     100:23      101:20      102:256    
 103:1085    104:764     105:130     106:3       107:201     108:310    
 109:272     110:36      111:1789    112:445     113:47      114:32     
 115:15      116:33      117:962     118:71      119:103     120:1076   
 121:18      122:86      123:23      124:57      125:12      128:361    
 129:290     130:512     131:815     132:500     133:195     134:335    
 135:45      136:368     137:415     138:767     139:399     140:594    
 141:323     142:710     143:601     144:333     145:65      146:493    
 147:389     148:617     149:485     150:291     151:580     152:582    
 153:119     154:492     155:686     156:444     157:284     158:319    
 159:686     160:997     161:459     162:703     163:287     164:651    
 165:392     166:97      167:398     168:917     169:148     170:1242   
 171:63      172:914     173:796     174:185     175:41      176:414    
 177:703     178:384     179:509     180:50      181:926     182:25     
 183:827     184:312     185:2381    186:797     187:846     188:577    
 189:1105    190:2746    191:184     192:3892    193:1273    194:836    
 195:567     196:410     197:339     198:1992    199:3642    200:2418   
 201:2409    202:1070    203:625     204:1777    205:1700    206:1165   
 207:1159    208:938     209:1446    210:341     211:431     212:687    
 213:556     214:1003    215:42      216:1776    217:316     218:524    
 219:24      220:38      221:302     222:22      223:634    

End of report


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