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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Dec 20 20:16:54 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 20 Dec, 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:                              254666
    Prefixes after maximum aggregation (per Origin AS):          112213
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      133534
    Number of IPv4 prefixes with a valid ROA:                    111595
    Number of IPv4 prefixes with an invalid ROA:                     22
    Number of IPv4 prefixes with no ROA:                         143049
Total ASes present in the Internet Routing Table:                 20292
    Prefixes per ASN:                                             12.55
Origin-only ASes present in the Internet Routing Table:           17429
Origin ASes announcing only one prefix:                            7787
Transit ASes present in the Internet Routing Table:                2863
Transit-only ASes present in the Internet Routing Table:            747
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      38
    Max AS path prepend of ASN ( 37447)                              34
Prefixes from unregistered ASNs in the Routing Table:               321
    Number of instances of unregistered ASNs:                       322
Number of 32-bit ASNs allocated by the RIRs:                      45985
Number of 32-bit ASNs visible in the Routing Table:                7872
Prefixes from 32-bit ASNs in the Routing Table:                   28813
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            147
Number of addresses announced to Internet:                   1567498493
    Equivalent to 93 /8s, 110 /16s and 32 /24s
    Percentage of available address space announced:               42.3
    Percentage of allocated address space announced:               42.3
    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:       80548

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

Prefixes being announced by APNIC Region ASes:                    31351
    Total APNIC prefixes after maximum aggregation:                7621
    APNIC Deaggregation factor:                                    4.11
Prefixes being announced from the APNIC address blocks:           30676
    Unique aggregates announced from the APNIC address blocks:     8548
APNIC Region origin ASes present in the Internet Routing Table:    1193
    APNIC Prefixes per ASN:                                       25.71
APNIC Region origin ASes announcing only one prefix:                468
APNIC Region transit ASes present in the Internet Routing Table:    222
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    522
Number of APNIC addresses announced to Internet:              173034348
    Equivalent to 10 /8s, 80 /16s and 75 /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:                    117612
    Total ARIN prefixes after maximum aggregation:                60598
    ARIN Deaggregation factor:                                     1.94
Prefixes being announced from the ARIN address blocks:           116227
    Unique aggregates announced from the ARIN address blocks:     60321
ARIN Region origin ASes present in the Internet Routing Table:     9048
    ARIN Prefixes per ASN:                                        12.85
ARIN Region origin ASes announcing only one prefix:                3769
ARIN Region transit ASes present in the Internet Routing Table:     839
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:    2036
Number of ARIN addresses announced to Internet:               953415809
    Equivalent to 56 /8s, 211 /16s and 248 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                     47151
    Total RIPE prefixes after maximum aggregation:                25889
    RIPE Deaggregation factor:                                     1.82
Prefixes being announced from the RIPE address blocks:            48520
    Unique aggregates announced from the RIPE address blocks:     36000
RIPE Region origin ASes present in the Internet Routing Table:     4637
    RIPE Prefixes per ASN:                                        10.46
RIPE Region origin ASes announcing only one prefix:                1980
RIPE Region transit ASes present in the Internet Routing Table:     683
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1838
Number of RIPE addresses announced to Internet:               303789264
    Equivalent to 18 /8s, 27 /16s and 116 /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,
                        53/8,  57/8,  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:                   47870
    Total LACNIC prefixes after maximum aggregation:              14843
    LACNIC Deaggregation factor:                                   3.23
Prefixes being announced from the LACNIC address blocks:          46667
    Unique aggregates announced from the LACNIC address blocks:   22701
LACNIC Region origin ASes present in the Internet Routing Table:   4219
    LACNIC Prefixes per ASN:                                      11.06
LACNIC Region origin ASes announcing only one prefix:              1431
LACNIC Region transit ASes present in the Internet Routing Table:   893
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3319
Number of LACNIC addresses announced to Internet:              97391168
    Equivalent to 5 /8s, 206 /16s and 18 /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:                  10361
    Total AfriNIC prefixes after maximum aggregation:              3038
    AfriNIC Deaggregation factor:                                  3.41
Prefixes being announced from the AfriNIC address blocks:         12429
    Unique aggregates announced from the AfriNIC address blocks:   5843
AfriNIC Region origin ASes present in the Internet Routing Table:   313
    AfriNIC Prefixes per ASN:                                     39.71
AfriNIC Region origin ASes announcing only one prefix:              139
AfriNIC Region transit ASes present in the Internet Routing Table:   86
Average AfriNIC Region AS path length visible:                      6.5
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  157
Number of AfriNIC addresses announced to Internet:             39804416
    Equivalent to 2 /8s, 95 /16s and 94 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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        9907       8753      87  CHINAMOBILE-CN China Mobile Communication
 56046        1565        804     184  CMNET-JIANGSU-AP China Mobile communicati
 56041        1495        714      78  CMNET-ZHEJIANG-AP China Mobile communicat
 56047        1490        192      50  CMNET-HUNAN-AP China Mobile communication
 24547         831        177      49  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         602       2184     462  SINET-AS Research Organization of Informa
 17676         518       9871     160  GIGAINFRA SoftBank Corp., JP
 56040         482        488     105  CMNET-GUANGDONG-AP China Mobile communica
 45102         472        755     123  ALIBABA-CN-NET Alibaba US Technology Co.,

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       12523      38201    3008  AMAZON-02, US
   749        3261      54895    2508  DNIC-AS-00749, US
  7018        3242      23509    2064  ATT-INTERNET4, US
   367        2514       3017    1194  DNIC-ASBLK-00306-00371, US
 22773        2467       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2285        163    1413  USDA-1, US
 36352        1908        163     803  AS-COLOCROSSING, US
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US
  6167        1747       3403     441  CELLCO-PART, US
   209        1667       4895     293  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        1872        126      49  ALJAWWALSTC-AS, SA
 20940        1238         97    1003  AKAMAI-ASN1, NL
  3215         888       4814     286  France Telecom - Orange, FR
  3257         795       2073     696  GTT-BACKBONE GTT, US
  8452         666       1842      17  TE-AS TE-AS, EG
 25019         604        997     136  SAUDINETSTC-AS, SA
  8376         586         55      26  Jordan Data Communications, JO
  3320         572       8321     484  DTAG Internet service provider operations
 51167         565        112     249  CONTABO, DE
 62240         508         36     344  CLOUVIDER Clouvider - Global ASN, GB

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        5072       1370     811  UNINET, MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 10620        1687        252    1197  Telmex Colombia S.A., CO
  3816        1327        777     209  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1117        371      22  Telefonica del Peru S.A.A., PE
 26615        1001       2503      53  TIM SA, BR
 18881         869       1128      28  TELEFONICA BRASIL S.A, BR
 27651         667         93      49  ENTEL CHILE S.A., CL
 28006         649         77     296  CORPORACION NACIONAL DE TELECOMUNICACIONE
 13999         551         91     233  Mega Cable, S.A. de C.V., MX

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        1507        389      16  LINKdotNET-AS, EG
 20011         967        179     271  INTERNET-SOLUTIONS, ZA
 24835         718        362     148  RAYA-AS, EG
 37069         659       1047      14  MOBINIL, EG
 29571         648         55     316  ORANGE-COTE-IVOIRE, CI
 36992         595       1006     263  ETISALAT-MISR, EG
 36935         546        119     166  Vodafone-, EG
 36914         544         82       3  KENET-AS, KE
 36903         447        210     308  MT-MPLS, MA
  2018         378        319      71  TENET-1, 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
 16509       12523      38201    3008  AMAZON-02, US
  9808        9907       8753      87  CHINAMOBILE-CN China Mobile Communication
  8151        5072       1370     811  UNINET, MX
   749        3261      54895    2508  DNIC-AS-00749, US
  7018        3242      23509    2064  ATT-INTERNET4, US
   367        2514       3017    1194  DNIC-ASBLK-00306-00371, US
 22773        2467       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2285        163    1413  USDA-1, US
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 36352        1908        163     803  AS-COLOCROSSING, 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        9907         9820  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5072         4261  UNINET, MX
 11830        1994         1930  Instituto Costarricense de Electricidad y Telec
 39891        1872         1823  ALJAWWALSTC-AS, SA
 22773        2467         1759  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1879         1661  ATLANTICBB-JOHNSTOWN, US
 24863        1507         1491  LINKdotNET-AS, EG
 56047        1490         1440  CMNET-HUNAN-AP China Mobile communications corp
 56041        1495         1417  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1565         1381  CMNET-JIANGSU-AP China Mobile communications 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
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
     53966  UNALLOCATED  8.39.98.0/24              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
    399953  UNALLOCATED  12.9.122.0/24             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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, 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       /9:10      /10:34      /11:40      /12:150     
/13:210     /14:565     /15:1112    /16:7633    /17:3442    /18:4110    
/19:7382    /20:12227   /21:14808   /22:27093   /23:27128   /24:148519  
/25:42      /26:65      /27:36      /28:17      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        2711        5072  UNINET, MX
 16509        2266       12523  AMAZON-02, US
 22773        1867        2467  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1692        1994  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1483        3242  ATT-INTERNET4, US
 39891        1017        1872  ALJAWWALSTC-AS, SA
   209         947        1667  CENTURYLINK-US-LEGACY-QWEST, US
 10620         940        1687  Telmex Colombia S.A., CO
 19901         902        1091  BRSPD-PUBLIC, US
 11776         892        1879  ATLANTICBB-JOHNSTOWN, US

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

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

   1:63        2:471       3:529       4:5         5:815       6:152    
   7:5         8:662      11:171      12:984      13:301      14:119    
  15:292      16:234      17:5        18:869      20:146      21:4      
  22:188      23:2313     24:676      27:25       29:19       31:405    
  32:19       34:7        35:100      36:1228     37:614      38:1921   
  39:526      40:52       41:1025     42:215      43:207      44:32     
  45:3725     46:913      47:94       49:19       50:336      51:372    
  52:1391     54:294      55:1035     56:8        57:17       58:31     
  59:29       60:15       61:74       62:499      63:771      64:1738   
  65:1104     66:1546     67:925      68:523      69:1138     70:301    
  71:206      72:581      74:910      75:431      76:253      77:374    
  78:293      79:267      80:318      81:361      82:350      83:198    
  84:318      85:495      86:217      87:205      88:248      89:859    
  90:95       91:1039     92:615      93:462      94:830      95:527    
  96:216      97:50       98:456      99:162     100:35      101:27     
 102:348     103:1182    104:1003    105:157     106:39      107:1407   
 108:478     109:384     110:37      111:1875    112:464     113:42     
 114:54      115:23      116:51      117:986     118:160     119:119    
 120:1151    121:42      122:139     123:151     124:55      125:22     
 128:438     129:295     130:667     131:926     132:560     133:211    
 134:439     135:112     136:578     137:521     138:982     139:398    
 140:685     141:448     142:903     143:676     144:410     145:86     
 146:633     147:483     148:727     149:639     150:304     151:647    
 152:660     153:134     154:930     155:752     156:830     157:372    
 158:484     159:668     160:645     161:614     162:905     163:400    
 164:739     165:801     166:608     167:637     168:1491    169:147    
 170:1562    171:100     172:1158    173:751     174:231     175:53     
 176:417     177:1145    178:521     179:855     180:75      181:1850   
 182:51      183:868     184:450     185:3223    186:2296    187:1062   
 188:769     189:1351    190:4949    191:485     192:4915    193:1830   
 194:1293    195:952     196:742     197:1644    198:2589    199:4622   
 200:3837    201:3151    202:1029    203:707     204:2059    205:1985   
 206:1590    207:1436    208:1293    209:1917    210:309     211:429    
 212:969     213:829     214:1008    215:42      216:2413    217:446    
 218:521     219:22      220:29      221:301     222:30      223:709    


End of report


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