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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Nov 24 20:16:57 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 24 Nov, 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:                              257848
    Prefixes after maximum aggregation (per Origin AS):          115101
    Deaggregation factor:                                          2.24
    Unique aggregates announced (without unneeded subnets):      140803
    Number of IPv4 prefixes with a valid ROA:                    114313
    Number of IPv4 prefixes with an invalid ROA:                     25
    Number of IPv4 prefixes with no ROA:                         143510
Total ASes present in the Internet Routing Table:                 20667
    Prefixes per ASN:                                             12.48
Origin-only ASes present in the Internet Routing Table:           17775
Origin ASes announcing only one prefix:                            7986
Transit ASes present in the Internet Routing Table:                2892
Transit-only ASes present in the Internet Routing Table:            741
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:               330
    Number of instances of unregistered ASNs:                       331
Number of 32-bit ASNs allocated by the RIRs:                      45892
Number of 32-bit ASNs visible in the Routing Table:                8048
Prefixes from 32-bit ASNs in the Routing Table:                   30091
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:            146
Number of addresses announced to Internet:                   1494608893
    Equivalent to 89 /8s, 21 /16s and 235 /24s
    Percentage of available address space announced:               40.4
    Percentage of allocated address space announced:               40.3
    Percentage of available address space allocated:              100.1
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:       83848

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

Prefixes being announced by APNIC Region ASes:                    31553
    Total APNIC prefixes after maximum aggregation:                7659
    APNIC Deaggregation factor:                                    4.12
Prefixes being announced from the APNIC address blocks:           30798
    Unique aggregates announced from the APNIC address blocks:     8625
APNIC Region origin ASes present in the Internet Routing Table:    1185
    APNIC Prefixes per ASN:                                       25.99
APNIC Region origin ASes announcing only one prefix:                469
APNIC Region transit ASes present in the Internet Routing Table:    212
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:    510
Number of APNIC addresses announced to Internet:              172924524
    Equivalent to 10 /8s, 78 /16s and 158 /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:                    115713
    Total ARIN prefixes after maximum aggregation:                61718
    ARIN Deaggregation factor:                                     1.87
Prefixes being announced from the ARIN address blocks:           114472
    Unique aggregates announced from the ARIN address blocks:     65943
ARIN Region origin ASes present in the Internet Routing Table:     9052
    ARIN Prefixes per ASN:                                        12.65
ARIN Region origin ASes announcing only one prefix:                3782
ARIN Region transit ASes present in the Internet Routing Table:     836
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:    2040
Number of ARIN addresses announced to Internet:               872697217
    Equivalent to 52 /8s, 4 /16s and 77 /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:                     51406
    Total RIPE prefixes after maximum aggregation:                27341
    RIPE Deaggregation factor:                                     1.88
Prefixes being announced from the RIPE address blocks:            52726
    Unique aggregates announced from the RIPE address blocks:     37535
RIPE Region origin ASes present in the Internet Routing Table:     4955
    RIPE Prefixes per ASN:                                        10.64
RIPE Region origin ASes announcing only one prefix:                2112
RIPE Region transit ASes present in the Internet Routing Table:     729
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1968
Number of RIPE addresses announced to Internet:               309435344
    Equivalent to 18 /8s, 113 /16s and 155 /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:                   49045
    Total LACNIC prefixes after maximum aggregation:              14996
    LACNIC Deaggregation factor:                                   3.27
Prefixes being announced from the LACNIC address blocks:          47897
    Unique aggregates announced from the LACNIC address blocks:   23002
LACNIC Region origin ASes present in the Internet Routing Table:   4279
    LACNIC Prefixes per ASN:                                      11.19
LACNIC Region origin ASes announcing only one prefix:              1487
LACNIC Region transit ASes present in the Internet Routing Table:   892
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:  3369
Number of LACNIC addresses announced to Internet:              99049536
    Equivalent to 5 /8s, 231 /16s and 96 /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:                   9801
    Total AfriNIC prefixes after maximum aggregation:              3162
    AfriNIC Deaggregation factor:                                  3.10
Prefixes being announced from the AfriNIC address blocks:         11809
    Unique aggregates announced from the AfriNIC address blocks:   5574
AfriNIC Region origin ASes present in the Internet Routing Table:   321
    AfriNIC Prefixes per ASN:                                     36.79
AfriNIC Region origin ASes announcing only one prefix:              136
AfriNIC Region transit ASes present in the Internet Routing Table:   85
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  161
Number of AfriNIC addresses announced to Internet:             40426240
    Equivalent to 2 /8s, 104 /16s and 219 /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        9857       8752      83  CHINAMOBILE-CN China Mobile Communication
 56046        1564        804     183  CMNET-JIANGSU-AP China Mobile communicati
 56047        1501        192      50  CMNET-HUNAN-AP China Mobile communication
 56041        1491        714      76  CMNET-ZHEJIANG-AP China Mobile communicat
 24547         807        177      48  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         778        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2170     465  SINET-AS Research Organization of Informa
 17676         524       9887     160  GIGAINFRA SoftBank Corp., JP
 56040         486        489     108  CMNET-GUANGDONG-AP China Mobile communica
 24445         483        497      69  CMNET-V4HENAN-AS-AP Henan Mobile Communic

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       11015      11952    3963  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3176      23560    2032  ATT-INTERNET4, US
 22773        2472       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2236        151    1383  USDA-1, US
   367        2101       2650     993  DNIC-ASBLK-00306-00371, US
 11776        1874        256     220  ATLANTICBB-JOHNSTOWN, US
  6167        1753       3437     433  CELLCO-PART, US
   209        1670       4895     295  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1534        163     807  AS-COLOCROSSING, 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        3205        195      65  ALJAWWALSTC-AS, SA
 20940        1326        103    1058  AKAMAI-ASN1, NL
  3215         887       4814     288  France Telecom - Orange, FR
  3257         795       2072     692  GTT-BACKBONE GTT, US
  8376         647         60      32  Jordan Data Communications, JO
  8452         629       1757     122  TE-AS TE-AS, EG
 25019         615        999     130  SAUDINETSTC-AS, SA
212238         590         43     524  CDNEXT, GB
  3320         578       8322     489  DTAG Internet service provider operations
 51167         560        110     246  CONTABO, DE

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        6140       1758     882  UNINET, MX
 11830        1997        369      64  Instituto Costarricense de Electricidad y
 10620        1746        260    1226  Telmex Colombia S.A., CO
  3816        1325        781     203  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1114        371      22  Telefonica del Peru S.A.A., PE
 26615        1017       2503      53  TIM SA, BR
 18881         866       1128      28  TELEFONICA BRASIL S.A, BR
 28006         647         77     296  CORPORACION NACIONAL DE TELECOMUNICACIONE
 27651         626         86      51  ENTEL CHILE S.A., CL
 26599         541       2865      73  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        1399        389      16  LINKdotNET-AS, EG
 24835         760        370     179  RAYA-AS, EG
 36992         658        989     326  ETISALAT-MISR, EG
 37069         640       1047      14  MOBINIL, EG
 29571         582         51     286  ORANGE-COTE-IVOIRE, CI
 36935         566        125     174  Vodafone-, EG
 20011         565        139     330  INTERNET-SOLUTIONS, ZA
 36914         538         82       3  KENET-AS, KE
 36903         456        214     314  MT-MPLS, MA
  2018         380        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       11015      11952    3963  AMAZON-02, US
  9808        9857       8752      83  CHINAMOBILE-CN China Mobile Communication
  8151        6140       1758     882  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
 39891        3205        195      65  ALJAWWALSTC-AS, SA
  7018        3176      23560    2032  ATT-INTERNET4, US
 22773        2472       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2236        151    1383  USDA-1, US
   367        2101       2650     993  DNIC-ASBLK-00306-00371, US
 11830        1997        369      64  Instituto Costarricense de Electricidad y

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        9857         9774  CHINAMOBILE-CN China Mobile Communications Grou
  8151        6140         5258  UNINET, MX
 39891        3205         3140  ALJAWWALSTC-AS, SA
 11830        1997         1933  Instituto Costarricense de Electricidad y Telec
 22773        2472         1760  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1874         1654  ATLANTICBB-JOHNSTOWN, US
 56047        1501         1451  CMNET-HUNAN-AP China Mobile communications corp
 56041        1491         1415  CMNET-ZHEJIANG-AP China Mobile communications c
 24863        1399         1383  LINKdotNET-AS, EG
 56046        1564         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
23.140.216.0/24      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
23.154.248.0/24      Origin:     54641  IMH-IAD, US
23.154.248.0/24     Transit:      3356  LEVEL3, 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

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      /10:28      /11:38      /12:138     
/13:200     /14:524     /15:1022    /16:6797    /17:3367    /18:4089    
/19:7592    /20:12376   /21:15236   /22:27585   /23:27738   /24:150885  
/25:52      /26:72      /27:37      /28:19      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3186        6140  UNINET, MX
 39891        2321        3205  ALJAWWALSTC-AS, SA
 16509        2267       11015  AMAZON-02, US
 22773        1868        2472  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1695        1997  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1454        3176  ATT-INTERNET4, US
 10620         982        1746  Telmex Colombia S.A., CO
   209         949        1670  CENTURYLINK-US-LEGACY-QWEST, US
 11776         891        1874  ATLANTICBB-JOHNSTOWN, US
 19901         879        1049  BRSPD-PUBLIC, US

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

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

   1:65        2:537       3:517       4:5         5:1094      6:148    
   7:5         8:666      11:171      12:1005     13:299      14:117    
  15:296      16:234      17:6        18:868      20:128      21:4      
  22:188      23:2283     24:668      27:36       29:19       31:430    
  32:19       34:9        35:102      36:1213     37:707      38:1715   
  39:537      40:53       41:1023     42:218      43:213      44:32     
  45:3817     46:1036     47:94       49:29       50:361      51:369    
  52:1406     54:273      55:947      56:8        57:17       58:36     
  59:29       60:15       61:64       62:604      63:760      64:1753   
  65:1126     66:1578     67:973      68:526      69:1147     70:302    
  71:210      72:604      74:925      75:424      76:258      77:439    
  78:603      79:292      80:344      81:409      82:351      83:192    
  84:353      85:506      86:228      87:226      88:258      89:859    
  90:99       91:1072     92:641      93:869      94:821      95:757    
  96:221      97:55       98:529      99:163     100:27      101:27     
 102:350     103:1196    104:1079    105:83      106:50      107:1221   
 108:486     109:443     110:42      111:1873    112:466     113:44     
 114:55      115:20      116:50      117:982     118:166     119:132    
 120:1133    121:45      122:146     123:154     124:65      125:21     
 128:419     129:329     130:678     131:922     132:550     133:209    
 134:451     135:107     136:508     137:576     138:986     139:369    
 140:642     141:454     142:928     143:622     144:404     145:92     
 146:650     147:516     148:718     149:650     150:338     151:637    
 152:676     153:121     154:786     155:713     156:778     157:389    
 158:476     159:661     160:641     161:649     162:906     163:406    
 164:741     165:810     166:598     167:643     168:1522    169:143    
 170:1564    171:107     172:1166    173:770     174:296     175:54     
 176:398     177:1095    178:485     179:850     180:72      181:1847   
 182:47      183:846     184:453     185:3524    186:2320    187:1060   
 188:820     189:1491    190:5008    191:482     192:4957    193:1985   
 194:1375    195:978     196:808     197:1285    198:2517    199:4606   
 200:3874    201:3244    202:1092    203:703     204:2099    205:1978   
 206:1580    207:1431    208:1305    209:1931    210:319     211:425    
 212:985     213:756     214:940     215:6       216:2430    217:537    
 218:519     219:22      220:31      221:301     222:29      223:704    


End of report


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