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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 11 22:41:34 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 11 Nov, 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:                              982381
    Prefixes after maximum aggregation (per Origin AS):          361248
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454581
Total ASes present in the Internet Routing Table:                 75274
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64580
Origin ASes announcing only one prefix:                           25902
Transit ASes present in the Internet Routing Table:               10694
Transit-only ASes present in the Internet Routing Table:            505
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:              1333
    Number of instances of unregistered ASNs:                      1339
Number of 32-bit ASNs allocated by the RIRs:                      43039
Number of 32-bit ASNs visible in the Routing Table:               35454
Prefixes from 32-bit ASNs in the Routing Table:                  184945
Number of bogon 32-bit ASNs visible in the Routing Table:           198
Special use prefixes present in the Routing Table:                   33
Prefixes being announced from unallocated address space:            591
Number of addresses announced to Internet:                   3052194525
    Equivalent to 181 /8s, 236 /16s and 202 /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:      338173

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

Prefixes being announced by APNIC Region ASes:                   255862
    Total APNIC prefixes after maximum aggregation:               72196
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          248893
    Unique aggregates announced from the APNIC address blocks:    98936
APNIC Region origin ASes present in the Internet Routing Table:   13782
    APNIC Prefixes per ASN:                                       18.06
APNIC Region origin ASes announcing only one prefix:               4074
APNIC Region transit ASes present in the Internet Routing Table:   1871
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9102
Number of APNIC addresses announced to Internet:              772719776
    Equivalent to 46 /8s, 14 /16s and 196 /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:                    281572
    Total ARIN prefixes after maximum aggregation:               125674
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285670
    Unique aggregates announced from the ARIN address blocks:    132275
ARIN Region origin ASes present in the Internet Routing Table:    19103
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6936
ARIN Region transit ASes present in the Internet Routing Table:    1913
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1277290048
    Equivalent to 76 /8s, 33 /16s and 230 /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:                    281222
    Total RIPE prefixes after maximum aggregation:               127741
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275000
    Unique aggregates announced from the RIPE address blocks:    160726
RIPE Region origin ASes present in the Internet Routing Table:    28564
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3977
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11480
Number of RIPE addresses announced to Internet:               715544029
    Equivalent to 42 /8s, 166 /16s and 85 /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:                  128378
    Total LACNIC prefixes after maximum aggregation:              28703
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127576
    Unique aggregates announced from the LACNIC address blocks:   49340
LACNIC Region origin ASes present in the Internet Routing Table:  11064
    LACNIC Prefixes per ASN:                                      11.53
LACNIC Region origin ASes announcing only one prefix:              2255
LACNIC Region transit ASes present in the Internet Routing Table:  2382
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8886
Number of LACNIC addresses announced to Internet:             178463776
    Equivalent to 10 /8s, 163 /16s and 36 /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:                  34014
    Total AfriNIC prefixes after maximum aggregation:              6106
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44650
    Unique aggregates announced from the AfriNIC address blocks:  12802
AfriNIC Region origin ASes present in the Internet Routing Table:  1814
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  338
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1153
Number of AfriNIC addresses announced to Internet:            107732736
    Equivalent to 6 /8s, 107 /16s and 223 /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        9716       8730      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5713        786     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4260        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3821       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3604       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3261       1872      99  VNPT-AS-VN VNPT Corp, VN
  9498        3251        491     240  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2735      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2581        851     375  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        9206      11056    3355  AMAZON-02, US
 11492        4550        302     673  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3917       6661     633  COGENT-174, US
 22773        3637       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3160      54933    2412  DNIC-AS-00749, US
 16625        3148       1398    2316  AKAMAI-AS, US
   367        3030       3868    1431  DNIC-ASBLK-00306-00371, US
396982        2721       3626     394  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        8688       1182    2879  TTNET, TR
 12479        7453       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4081       3398     166  AKAMAI-ASN1, NL
  8551        3442        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3430        297    1594  M247, RO
 12389        3011       2297     923  ROSTELECOM-AS, RU
  8452        2454       1852      14  TE-AS TE-AS, EG
  5384        2452        585      30  EMIRATES-INTERNET Emirates Internet, AE
 34984        2366        363     583  TELLCOM-AS, TR

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       12096       3372     609  UNINET, MX
 10620        3545        504     860  Telmex Colombia S.A., CO
 13999        2447        333     632  Mega Cable, S.A. de C.V., MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        778     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1104        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1053        168     430  Techtel LMDS Comunicaciones Interactiva

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        1626        319      45  Telkom-Internet, ZA
 24863        1612        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1247        553      97  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 37342         511         32       1  MOVITEL, MZ
 15399         504         53      41  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       12096       3372     609  UNINET, MX
  9808        9716       8730      43  CHINAMOBILE-CN China Mobile Communicati
 16509        9206      11056    3355  AMAZON-02, US
 47331        8688       1182    2879  TTNET, TR
 12479        7453       1713     145  UNI2-AS, ES
  7545        5713        786     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4550        302     673  CABLEONE, US
 18403        4260        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        9716         9673  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7453         7308  UNI2-AS, ES
 16509        9206         5851  AMAZON-02, US
 47331        8688         5809  TTNET, TR
  7545        5713         5023  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992         4917  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4260         4235  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 20940        4081         3915  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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, 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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            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

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      /11:100     /12:301     
/13:584     /14:1212    /15:2142    /16:13622   /17:8572    /18:14223   
/19:25607   /20:45631   /21:54239   /22:114335  /23:107220  /24:589627  
/25:1124    /26:1087    /27:1506    /28:160     /29:240     /30:79      
/31:76      /32:625     

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

   ASN  No of nets  Total ann.  Description
 47331        7806        8688  TTNET, TR
 12479        6543        7453  UNI2-AS, ES
  8151        6092       12096  UNINET, MX
 11492        3463        4550  CABLEONE, US
  6327        3364        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2919        3442  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2681        3637  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2140        2485  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2254      2:1604      3:271       4:4         5:4596      6:161    
   7:6         8:1620      9:1        11:172      12:1501     13:353    
  14:2337     15:304      16:202      17:370      18:674      20:335    
  21:4        22:188      23:6567     24:2958     25:2        27:2660   
  29:19       31:2710     32:76       34:31       35:120      36:2045   
  37:4593     38:6694     39:873      40:150      41:4662     42:2088   
  43:2368     44:333      45:17650    46:4562     47:379      49:1874   
  50:1909     51:577      52:1621     54:393      55:884      56:5      
  57:138      58:1962     59:1191     60:1013     61:2747     62:2822   
  63:1939     64:5705     65:2377     66:5153     67:3129     68:1373   
  69:4178     70:1389     71:614      72:3018     74:2676     75:1614   
  76:637      77:2463     78:4068     79:3051     80:2171     81:2096   
  82:1597     83:1375     84:1630     85:3857     86:857      87:2215   
  88:2949     89:4007     90:635      91:8038     92:2221     93:2671   
  94:3759     95:5134     96:1335     97:316      98:1103     99:737    
 100:121     101:1398    102:3432    103:32677   104:4852    105:1999   
 106:989     107:2706    108:1113    109:4305    110:2164    111:3182   
 112:2105    113:1698    114:1716    115:2092    116:1993    117:2577   
 118:2731    119:2011    120:1809    121:1266    122:2764    123:2258   
 124:1654    125:2667    128:1587    129:1011    130:1099    131:2090   
 132:978     133:408     134:1721    135:343     136:920     137:1003   
 138:2893    139:1582    140:1335    141:1338    142:1583    143:1595   
 144:1009    145:343     146:2001    147:1646    148:2505    149:2414   
 150:895     151:1270    152:1988    153:606     154:5626    155:1349   
 156:2154    157:1386    158:1060    159:2214    160:2692    161:1629   
 162:3587    163:1632    164:1739    165:1913    166:1014    167:1766   
 168:4022    169:819     170:4926    171:987     172:3888    173:3033   
 174:959     175:1237    176:3779    177:5444    178:3578    179:2456   
 180:2354    181:3645    182:3385    183:2027    184:2287    185:20990  
 186:5093    187:4614    188:4251    189:4240    190:9546    191:1901   
 192:11041   193:9029    194:7527    195:5393    196:3717    197:2916   
 198:6072    199:6482    200:8342    201:6376    202:10987   203:10490  
 204:4621    205:3708    206:4521    207:3587    208:4171    209:4987   
 210:4628    211:2582    212:4383    213:3518    214:1114    215:71     
 216:6862    217:3035    218:1346    219:608     220:2039    221:1010   
 222:861     223:2219   

End of report


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