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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 20 22:41:22 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 20 Dec, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              986918
    Prefixes after maximum aggregation (per Origin AS):          363063
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456138
Total ASes present in the Internet Routing Table:                 75442
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64636
Origin ASes announcing only one prefix:                           26032
Transit ASes present in the Internet Routing Table:               10806
Transit-only ASes present in the Internet Routing Table:            500
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1233
    Number of instances of unregistered ASNs:                      1235
Number of 32-bit ASNs allocated by the RIRs:                      43244
Number of 32-bit ASNs visible in the Routing Table:               35700
Prefixes from 32-bit ASNs in the Routing Table:                  186865
Number of bogon 32-bit ASNs visible in the Routing Table:           179
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            604
Number of addresses announced to Internet:                   3049970462
    Equivalent to 181 /8s, 202 /16s and 219 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      339605

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

Prefixes being announced by APNIC Region ASes:                   257687
    Total APNIC prefixes after maximum aggregation:               73066
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250560
    Unique aggregates announced from the APNIC address blocks:    99723
APNIC Region origin ASes present in the Internet Routing Table:   13922
    APNIC Prefixes per ASN:                                       18.00
APNIC Region origin ASes announcing only one prefix:               4141
APNIC Region transit ASes present in the Internet Routing Table:   1895
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9244
Number of APNIC addresses announced to Internet:              771722400
    Equivalent to 45 /8s, 255 /16s and 140 /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:                    282161
    Total ARIN prefixes after maximum aggregation:               126139
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286586
    Unique aggregates announced from the ARIN address blocks:    132739
ARIN Region origin ASes present in the Internet Routing Table:    19114
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    1943
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4841
Number of ARIN addresses announced to Internet:              1276344384
    Equivalent to 76 /8s, 19 /16s and 120 /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:                    282188
    Total RIPE prefixes after maximum aggregation:               127970
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275896
    Unique aggregates announced from the RIPE address blocks:    160901
RIPE Region origin ASes present in the Internet Routing Table:    28603
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12090
RIPE Region transit ASes present in the Internet Routing Table:    3994
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11541
Number of RIPE addresses announced to Internet:               715009502
    Equivalent to 42 /8s, 158 /16s and 45 /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:                  129580
    Total LACNIC prefixes after maximum aggregation:              29010
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128574
    Unique aggregates announced from the LACNIC address blocks:   49377
LACNIC Region origin ASes present in the Internet Routing Table:  11061
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2264
LACNIC Region transit ASes present in the Internet Routing Table:  2412
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8904
Number of LACNIC addresses announced to Internet:             178453344
    Equivalent to 10 /8s, 162 /16s and 251 /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:                  34069
    Total AfriNIC prefixes after maximum aggregation:              6094
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44697
    Unique aggregates announced from the AfriNIC address blocks:  12891
AfriNIC Region origin ASes present in the Internet Routing Table:  1829
    AfriNIC Prefixes per ASN:                                     24.44
AfriNIC Region origin ASes announcing only one prefix:              598
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170
Number of AfriNIC addresses announced to Internet:            107992320
    Equivalent to 6 /8s, 111 /16s and 213 /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        9795       8734      50  CHINAMOBILE-CN China Mobile Communicati
  7545        5675        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4524        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3839       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3400        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3357       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2656        856     373  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9467      11201    3354  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4185        289      98  VIASAT-SP-BACKBONE, US
   174        3959       6658     652  COGENT-174, US
 22773        3607       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3236       1434    2349  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2968       3849    1418  DNIC-ASBLK-00306-00371, US
396982        2739       3638     384  GOOGLE-CLOUD-PLATFORM, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8984       1216    2404  TTNET, TR
 12479        7593       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4082       3398     170  AKAMAI-ASN1, NL
  9009        3509        301    1643  M247, RO
  8551        3370        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3026       2301     917  ROSTELECOM-AS, RU
  5384        2524        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2374        363     585  TELLCOM-AS, TR
  8452        2370       1852      14  TE-AS TE-AS, EG

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12169       3382     601  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2492        339     635  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1246        341     504  Axtel, S.A.B. de C.V., MX
 28202        1102         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1097        177     429  Techtel LMDS Comunicaciones Interactiva
  6147        1086        369      22  Telefonica del Peru S.A.A., PE

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1625        316      43  Telkom-Internet, ZA
 24863        1596        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1053         68      50  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         541         82       3  KENET-AS, KE
 15399         534         56      53  WANANCHI-, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12169       3382     601  UNINET, MX
  9808        9795       8734      50  CHINAMOBILE-CN China Mobile Communicati
 16509        9467      11201    3354  AMAZON-02, US
 47331        8984       1216    2404  TTNET, TR
 12479        7593       1714     146  UNI2-AS, ES
  7545        5675        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4524        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9795         9745  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7593         7447  UNI2-AS, ES
 47331        8984         6580  TTNET, TR
 16509        9467         6113  AMAZON-02, US
  7545        5675         4988  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996         4921  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4524         4499  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4087  VIASAT-SP-BACKBONE, US
 20940        4082         3912  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:99      /12:300     
/13:583     /14:1209    /15:2136    /16:13597   /17:8515    /18:14219   
/19:25683   /20:45653   /21:54380   /22:114464  /23:107414  /24:593673  
/25:1126    /26:1080    /27:1500    /28:163     /29:242     /30:80      
/31:82      /32:651     

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

   ASN  No of nets  Total ann.  Description
 47331        8086        8984  TTNET, TR
 12479        6679        7593  UNI2-AS, ES
  8151        6169       12169  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3128        4185  VIASAT-SP-BACKBONE, US
  8551        2847        3370  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2648        3607  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2312      2:1584      3:283       4:8         5:4613      6:163    
   7:6         8:1615      9:1        11:172      12:1494     13:375    
  14:2392     15:308      16:206      17:367      18:709      20:362    
  21:4        22:188      23:6606     24:3013     25:2        27:2655   
  29:19       31:2711     32:74       34:37       35:121      36:2119   
  37:4656     38:6861     39:889      40:148      41:4712     42:2198   
  43:2382     44:331      45:17558    46:4592     47:304      49:1914   
  50:1911     51:577      52:1629     54:385      55:889      56:5      
  57:136      58:2011     59:1193     60:1012     61:2759     62:2888   
  63:1944     64:5707     65:2390     66:5161     67:3124     68:1355   
  69:4097     70:1382     71:618      72:3019     74:2676     75:1598   
  76:629      77:2474     78:4115     79:3053     80:2174     81:2114   
  82:1598     83:1396     84:1643     85:3952     86:891      87:2255   
  88:2983     89:4112     90:661      91:8056     92:2269     93:2677   
  94:3809     95:5252     96:1334     97:317      98:1042     99:737    
 100:122     101:1165    102:3477    103:32883   104:4816    105:2029   
 106:992     107:2782    108:1155    109:4262    110:2173    111:3192   
 112:2111    113:1736    114:1760    115:2104    116:2007    117:2586   
 118:2786    119:2017    120:1812    121:1323    122:2785    123:2253   
 124:1660    125:2803    128:1592    129:1008    130:1108    131:2091   
 132:991     133:411     134:1732    135:336     136:918     137:1000   
 138:2909    139:1575    140:1345    141:1368    142:1583    143:1612   
 144:1006    145:337     146:2033    147:1662    148:2523    149:2481   
 150:1027    151:1331    152:1978    153:599     154:5729    155:1381   
 156:2153    157:1400    158:1089    159:2219    160:2703    161:1650   
 162:3633    163:1656    164:1697    165:1917    166:1090    167:1762   
 168:4027    169:815     170:4952    171:997     172:3783    173:3054   
 174:900     175:1257    176:3758    177:5562    178:3682    179:2501   
 180:2442    181:3724    182:3415    183:2051    184:2286    185:20847  
 186:5167    187:4744    188:4281    189:4305    190:9619    191:1984   
 192:11044   193:9045    194:7569    195:5482    196:3657    197:2929   
 198:6071    199:6847    200:8498    201:6384    202:10954   203:10512  
 204:4659    205:3705    206:4532    207:3552    208:4157    209:4999   
 210:4723    211:2601    212:4351    213:3524    214:1119    215:49     
 216:6899    217:3031    218:1348    219:614     220:2033    221:1025   
 222:882     223:2226   

End of report


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