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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 24 21:13:59 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 24 Mar, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              978282
    Prefixes after maximum aggregation (per Origin AS):          374392
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475764
    Number of IPv4 prefixes with a valid ROA:                    538001
    Number of IPv4 prefixes with an invalid ROA:                    143
    Number of IPv4 prefixes with no ROA:                         440138
Total ASes present in the Internet Routing Table:                 76683
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65740
Origin ASes announcing only one prefix:                           26872
Transit ASes present in the Internet Routing Table:               10943
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             23
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1002
    Number of instances of unregistered ASNs:                      1007
Number of 32-bit ASNs allocated by the RIRs:                      46129
Number of 32-bit ASNs visible in the Routing Table:               38001
Prefixes from 32-bit ASNs in the Routing Table:                  200016
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            490
Number of addresses announced to Internet:                   3108305152
    Equivalent to 185 /8s, 68 /16s and 249 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      320781

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

Prefixes being announced by APNIC Region ASes:                   255559
    Total APNIC prefixes after maximum aggregation:               76230
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247249
    Unique aggregates announced from the APNIC address blocks:   102511
APNIC Region origin ASes present in the Internet Routing Table:   14552
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4446
APNIC Region transit ASes present in the Internet Routing Table:   1960
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10061
Number of APNIC addresses announced to Internet:              748824832
    Equivalent to 44 /8s, 162 /16s and 41 /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, 131072-155961
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:                    290026
    Total ARIN prefixes after maximum aggregation:               128669
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290706
    Unique aggregates announced from the ARIN address blocks:    136818
ARIN Region origin ASes present in the Internet Routing Table:    19228
    ARIN Prefixes per ASN:                                        15.12
ARIN Region origin ASes announcing only one prefix:                7033
ARIN Region transit ASes present in the Internet Routing Table:    1979
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5166
Number of ARIN addresses announced to Internet:              1350326784
    Equivalent to 80 /8s, 124 /16s and 90 /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:                    272770
    Total RIPE prefixes after maximum aggregation:               132853
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271067
    Unique aggregates announced from the RIPE address blocks:    173533
RIPE Region origin ASes present in the Internet Routing Table:    28857
    RIPE Prefixes per ASN:                                         9.39
RIPE Region origin ASes announcing only one prefix:               12033
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12328
Number of RIPE addresses announced to Internet:               732376832
    Equivalent to 43 /8s, 167 /16s and 47 /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:                  123926
    Total LACNIC prefixes after maximum aggregation:              29258
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120577
    Unique aggregates announced from the LACNIC address blocks:   48903
LACNIC Region origin ASes present in the Internet Routing Table:  11220
    LACNIC Prefixes per ASN:                                      10.75
LACNIC Region origin ASes announcing only one prefix:              2666
LACNIC Region transit ASes present in the Internet Routing Table:  2471
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9173
Number of LACNIC addresses announced to Internet:             171577088
    Equivalent to 10 /8s, 58 /16s and 15 /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:                  34999
    Total AfriNIC prefixes after maximum aggregation:              6757
    AfriNIC Deaggregation factor:                                  5.18
Prefixes being announced from the AfriNIC address blocks:         48192
    Unique aggregates announced from the AfriNIC address blocks:  13584
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     25.23
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet:            104956928
    Equivalent to 6 /8s, 65 /16s and 132 /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       10329       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4233        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3260       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2839        847     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2151        434     193  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12939      39641    3975  AMAZON-02, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3601       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3597       8766     959  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3096       1307    2236  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2571        356     366  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7754       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4011       3395     129  AKAMAI-ASN1, NL
  9009        3761        325    1948  M247, RO
 12389        3001       2303     890  ROSTELECOM-AS, RU
 34984        2367        360     583  TELLCOM-AS, TR
212238        2054        147    1514  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1489         98     747  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11870       3243     579  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2509        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1166        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX
 22884        1050         70     377  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1629        389      16  LINKdotNET-AS, EG
 29571        1566        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         910       1084      18  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         543         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12939      39641    3975  AMAZON-02, US
  8151       11870       3243     579  UNINET, MX
  9808       10329       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7754       1714     145  UNI2-AS, ES
  7545        6213        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4233        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4174        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11870        11291  UNINET, MX
  9808       10329        10241  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7754         7609  UNI2-AS, ES
  7545        6213         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4233         4208  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3886  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, 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
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       /9:16      /10:41      /11:93      /12:303     
/13:584     /14:1224    /15:2168    /16:13970   /17:8314    /18:13750   
/19:24650   /20:43832   /21:51785   /22:112102  /23:101439  /24:603994  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6687        7754  UNI2-AS, ES
  8151        6072       11870  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2719        3601  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2331       12939  AMAZON-02, US
 30036        2229        2571  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  Telmex Colombia S.A., CO

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

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

   1:2325      2:1530      3:599       4:10        5:4577      6:163    
   7:6         8:1548      9:1        11:172      12:1372     13:347    
  14:2508     15:351      16:279      17:358      18:915      20:463    
  21:4        22:188      23:7352     24:3020     25:2        27:2760   
  29:19       31:3204     32:37       34:79       35:208      36:2400   
  37:4717     38:8851     39:899      40:154      41:4173     42:1919   
  43:2557     44:358      45:18452    46:4952     47:288      49:1980   
  50:1892     51:586      52:1554     54:300      55:1077     56:11     
  57:251      58:2198     59:1223     60:1169     61:2777     62:2909   
  63:1835     64:5498     65:2126     66:4627     67:3015     68:1152   
  69:3968     70:1162     71:622      72:2865     74:2814     75:1660   
  76:612      77:2703     78:1879     79:1738     80:2195     81:2003   
  82:2887     83:1415     84:1818     85:3364     86:1045     87:2160   
  88:1314     89:4326     90:783      91:8326     92:2790     93:2888   
  94:4020     95:4268     96:1425     97:315      98:1019     99:738    
 100:71      101:1047    102:3668    103:32180   104:4822    105:749    
 106:998     107:2617    108:1204    109:3884    110:2225    111:3321   
 112:2036    113:1784    114:1943    115:2158    116:2037    117:2746   
 118:2861    119:1951    120:1876    121:1362    122:2746    123:2181   
 124:1564    125:2853    126:86      128:1582    129:960     130:1284   
 131:1895    132:782     133:451     134:1526    135:329     136:1278   
 137:1292    138:2890    139:1623    140:1563    141:1480    142:1821   
 143:1648    144:1042    145:482     146:2160    147:2100    148:2621   
 149:2896    150:1245    151:2039    152:2103    153:571     154:7894   
 155:1616    156:3297    157:1916    158:1270    159:2431    160:3538   
 161:1951    162:3711    163:1955    164:1690    165:2202    166:1417   
 167:1886    168:4067    169:797     170:5133    171:1004    172:4466   
 173:3234    174:919     175:1267    176:3670    177:4752    178:3815   
 179:2322    180:2585    181:4037    182:3369    183:2047    184:2311   
 185:21511   186:5121    187:4407    188:4216    189:4174    190:9623   
 191:1564    192:11184   193:9432    194:7771    195:5555    196:3248   
 197:3659    198:6192    199:8402    200:8189    201:6276    202:10394  
 203:10609   204:4550    205:3684    206:4634    207:3561    208:4193   
 209:5196    210:4565    211:2525    212:4511    213:3753    214:1053   
 215:48      216:6585    217:3096    218:1327    219:376     220:2082   
 221:1070    222:720     223:2317   

End of report


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